{"id":56827,"date":"2022-06-03T12:00:18","date_gmt":"2022-06-03T05:00:18","guid":{"rendered":"https:\/\/superapp.id\/blog\/?p=56827"},"modified":"2022-06-03T12:11:08","modified_gmt":"2022-06-03T05:11:08","slug":"rumus-keliling-persegi-panjang","status":"publish","type":"post","link":"https:\/\/superapp.id\/blog\/lifestyle\/rumus-keliling-persegi-panjang\/","title":{"rendered":"Rumus Keliling Persegi Panjang Beserta Contoh Soalnya"},"content":{"rendered":"<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Persegi panjang merupakan salah satu jenis bangun datar yang memiliki bentuk mirip dengan persegi, namun memiliki dua sisi yang lebih panjang. Bangun datar ini dapat kita lihat dalam kehidupan sehari-hari seperti pada lapangan sepak bola, kardus kemasan, meja kayu, hingga lemari pakaian.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Terdapat dua rumus utama dalam persegi panjang, yakni rumus luas dan keliling persegi panjang. Namun, artikel kali ini hanya akan membahas mengenai keliling persegi panjang saja.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Apakah Sedulur ingin mempelajarinya? simak dengan teliti artikel berikut, ya!<\/span><\/p>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><b>BACA JUGA: <\/b><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/lifestyle\/persamaan-kuadrat\/\"><b>Persamaan Kuadrat dalam Matematika Beserta Contoh Soalnya<\/b><\/a><\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Persegi panjang<\/span><\/h2>\n<figure id=\"attachment_56989\" aria-describedby=\"caption-attachment-56989\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per2.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56989\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per2-570x412.webp\" alt=\"persegi panjang\" width=\"570\" height=\"412\" \/><\/a><figcaption id=\"caption-attachment-56989\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Persegi panjang adalah bangun datar dua dimensi yang memiliki empat sisi dengan dua sisi yang lebih panjang dari sisi lainnya. Bangun datar ini memiliki dua pasang rusuk yang sejajar dan sama panjang, serta memiliki empat sudut siku-siku yang memiliki panjang sisi berhadapan sama panjang.<\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Sifat persegi panjang<\/span><\/h2>\n<figure id=\"attachment_56994\" aria-describedby=\"caption-attachment-56994\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per7.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56994\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per7-570x468.webp\" alt=\"persegi panjang\" width=\"570\" height=\"468\" \/><\/a><figcaption id=\"caption-attachment-56994\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Berdasarkan pengertian di atas, berikut adalah sifat persegi panjang yang sebaiknya Sedulur ketahui.<\/span><\/p>\n<ol>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki dua pasang sisi yang sama panjang atau dengan kata lain memiliki empat sisi\u00a0 yang mana kedua sisi tersebut sejajar dan saling berhadapan sama panjang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki empat sudut siku-siku, yaitu 90 derajat, dengan besar yang sama.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki dua diagonal atau garis melintang yang berpotongan menjadi dua bagian sama panjang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki dua sumbu simetri lipat.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki empat cara untuk kembali dipasangkan saat menempati bingkainya.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki dua sumbu simetri putar.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Memiliki sisi-sisi yang saling tegak lurus.<\/span><\/li>\n<\/ol>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><b>BACA JUGA: <\/b><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/uncategorized\/konstanta-adalah\/\"><b>Pengertian Konstanta, Variabel &amp; Suku Beserta Contoh Soalnya<\/b><\/a><\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Bagian-bagian dari persegi panjang<\/span><\/h2>\n<figure id=\"attachment_56992\" aria-describedby=\"caption-attachment-56992\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per5.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56992\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per5-570x467.webp\" alt=\"persegi panjang\" width=\"570\" height=\"467\" \/><\/a><figcaption id=\"caption-attachment-56992\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sebelum menghitung keliling persegi panjang, alangkah lebih baik jika Sedulur paham mengenai bagian-bagian yang ada pada persegi panjang. Berikut adalah bagian-bagian tersebut.<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\"> Sisi<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Pada bangun datar persegi panjang, terdapat empat buah sisi yang mengelilingi. Selain itu, pada setiap dua sisi akan memiliki panjang yang sama dan sejajar. Penyebutan sisi tersebut juga dibedakan, yakni sisi yang lebih panjang akan disebut dengan panjang, dan sisi lainnya yang lebih pendek akan disebut dengan lebar.<\/span><\/p>\n<ol start=\"2\">\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\"> Sudut<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Bagian lain dari bangun persegi panjang yaitu memiliki empat sudut yang sama besar. Sudut pada bangun datar ini merupakan sudut siku-siku yang besarnya adalah 90 derajat. Sudut merupakan bagian yang dibuat oleh perpotongan dua garis berada di sekitar titik potongnya.<\/span><\/p>\n<ol start=\"3\">\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\"> Garis melintang<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Pada bangun datar persegi panjang, terdapat dua garis melintang dan diagonal. Keduanya nanti akan berpotongan menjadi dua bagian yang memiliki panjang sama.<\/span><\/p>\n<ol start=\"4\">\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\"> Sumbu simetri lipat dan putar<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sumbu simetri lipat dan sumbu simetri putar merupakan bagian dari setiap bangun datar. Pada persegi panjang, terdapat dua sumbu simetri lipat dan juga dua sumbu simetri putar.<\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Rumus pada persegi panjang<\/span><\/h2>\n<figure id=\"attachment_56996\" aria-describedby=\"caption-attachment-56996\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per9.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56996\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per9-570x467.webp\" alt=\"rumus\" width=\"570\" height=\"467\" \/><\/a><figcaption id=\"caption-attachment-56996\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Selanjutnya adalah beberapa rumus yang ada pada persegi panjang.<\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Rumus keliling persegi panjang<\/span><\/li>\n<\/ol>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><span style=\"font-weight: 400;\">Cara untuk menghitung keliling persegi panjang yaitu diambil dengan menghitung total jumlah dari semua sisi yang ada pada persegi panjang. Berikut penjelasan ringkas dalam menghitung <\/span><span style=\"font-weight: 400;\">rumus mencari keliling persegi panjang.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Keliling persegi panjang = p + p + \u2113 + \u2113\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Keliling persegi panjang = (2 x p) +(2 x \u2113)\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Keliling persegi panjang = 2p + 2\u2113<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jadi, rumus keliling persegi panjang adalah 2 (p + \u2113).<\/span><\/p>\n<ol start=\"2\">\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\"> Rumus selain keliling persegi panjang<\/span><\/li>\n<\/ol>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><span style=\"font-weight: 400;\">Selain pembahasan mengenai keliling persegi panjang, berikut adalah beberapa rumus yang dapat digunakan untuk menyelesaikan soal saat mencari keliling persegi panjang, seperti rumus luas persegi panjang, <\/span><span style=\"font-weight: 400;\">rumus lebar persegi panjang, dan rumus panjang persegi panjang.<\/span><\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Panjang x lebar pada persegi panjang merupakan rumus untuk luas persegi panjang.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">L = p x \u2113\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Panjang persegi panjang dapat dicari menggunakan dua rumus, yaitu:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = L \u00f7 \u2113\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">atau<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = (k \u00f7 2) &#8211; \u2113\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sementara itu, lebar persegi panjang yaitu:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = L \u00f7 p<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">atau<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113\u00a0 = (k \u00f7 2) &#8211; p<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Keterangan:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">L = luas persegi panjang<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">k = keliling persegi panjang<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = panjang persegi panjang<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113\u00a0 = lebar persegi panjang<\/span><\/p>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><b>BACA JUGA: <\/b><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/uncategorized\/kombinasi\/\"><b>Kombinasi &amp; Permutasi: Perbedaan &amp; Cara Menghitungnya<\/b><\/a><\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Contoh soal 1<\/span><\/h2>\n<figure id=\"attachment_56993\" aria-describedby=\"caption-attachment-56993\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per6.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56993\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per6-570x467.webp\" alt=\"persegi panjang\" width=\"570\" height=\"467\" \/><\/a><figcaption id=\"caption-attachment-56993\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><span style=\"font-weight: 400;\">Berikut adalah <\/span><span style=\"font-weight: 400;\">contoh soal keliling persegi panjang<\/span><\/span><\/p>\n<ol>\n<li><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\"> Diketahui luas suatu persegi panjang adalah 30 cm\u00b2, jika lebar persegi panjang adalah 3 cm. Maka, tentukan keliling persegi panjang tersebut!<\/span><\/li>\n<\/ol>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Diketahui:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">L = 30 cm\u00b2<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = 3 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Ditanya:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">nilai k ?<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Dijawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Langkah pertama adalah mencari panjang persegi panjang<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = L : \u2113\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = 30 : 3<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = 10 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Langkah kedua adalah menghitung keliling persegi panjang<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 2 (p + \u2113)<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 2 \u00d7 (10 + 3)<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 2 \u00d7 (13)<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 26 cm<\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Contoh soal 2<\/span><\/h2>\n<figure id=\"attachment_56990\" aria-describedby=\"caption-attachment-56990\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per3.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56990\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per3-570x467.webp\" alt=\"persegi panjang\" width=\"570\" height=\"467\" \/><\/a><figcaption id=\"caption-attachment-56990\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sebuah pigura berwarna biru memiliki bentuk persegi panjang. Jika diketahui pigura berwarna biru\u00a0 tersebut memiliki keliling 24 cm dan lebar 4 cm, maka carilah nilai panjang pada pigura persegi panjang berwarna biru tersebut!<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Diketahui:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">k = 24 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = 4 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Ditanya:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">nilai p ?<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Dijawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Cara mencari panjang persegi panjang dapat menggunakan dua rumus, namun untuk soal ini dapat dicari menggunakan rumus keliling.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">k = 2 (p + \u2113)<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = (k \u00f7 2) &#8211; \u2113<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = (24 cm \u00f7 2) &#8211; 4 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = 12 cm &#8211; 4 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = 8 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jadi, panjang persegi panjang tersebut adalah 8 cm.<\/span><\/p>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><b>BACA JUGA: <\/b><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/lifestyle\/rumus-luas-lingkaran\/\"><b>Rumus Luas Lingkaran dengan Cara Menghitung dan Contohnya<\/b><\/a><\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Contoh soal 3<\/span><\/h2>\n<figure id=\"attachment_56991\" aria-describedby=\"caption-attachment-56991\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per4.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56991\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per4-570x467.webp\" alt=\"persegi panjang\" width=\"570\" height=\"467\" \/><\/a><figcaption id=\"caption-attachment-56991\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sebuah papan berwarna putih memiliki bentuk persegi panjang. Jika diketahui panjang papan berwarna putih berbentuk persegi panjang adalah 12 cm dan memiliki luas sebesar 48 cm\u00b2, berapakah lebar papan berwarna putih berbentuk persegi panjang tersebut!<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Diketahui:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = 12 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">L = 48 cm\u00b2<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Ditanya:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">nilai \u2113 ?<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Dijawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Lebar persegi panjang dapat dicari dengan memodifikasi rumus luas.<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">L = p \u00d7 \u2113<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = L \u00f7 p<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = 48 cm\u00b2 \u00f7 12 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = 4 cm<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jadi, lebar persegi panjang tersebut adalah 4 cm.<\/span><\/p>\n<h2><span style=\"font-family: helvetica, arial, sans-serif;\">Contoh soal 4<\/span><\/h2>\n<figure id=\"attachment_56988\" aria-describedby=\"caption-attachment-56988\" style=\"width: 560px\" class=\"wp-caption aligncenter\"><a style=\"color: #000000;\" href=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-56988\" src=\"https:\/\/superapp.id\/blog\/wp-content\/uploads\/2022\/06\/per-570x468.webp\" alt=\"keliling persegi panjang\" width=\"570\" height=\"468\" \/><\/a><figcaption id=\"caption-attachment-56988\" class=\"wp-caption-text\"><\/span> <span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">iStock<\/span><\/figcaption><\/figure>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sebuah lapangan memiliki bentuk persegi panjang dengan ukuran panjang 50 m dan lebar 20 m. Pada lapangan tersebut akan ditanami dengan pohon di sekelilingnya. Jika jarak setiap penanaman pohon adalah 10 m, maka hitunglah berapa jumlah pohon yang dibutuhkan untuk menanami sekeliling lapangan tersebut!<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Diketahui:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">p = 50 m<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">\u2113 = 20 m<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">s = 10 m<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Ditanya:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jumlah pohon yang bisa ditanam ?<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Dijawab:<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Langkah pertama adalah menghitung keliling persegi panjang<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">k = 2 (p + \u2113)<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 2 \u00d7 (50 + 20)<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 2 \u00d7 70<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">K = 140 m<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Langkah selanjutnya adalah menghitung jumlah pohon<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jumlah pohon = k : s<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jumlah pohon = 140 : 10<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jumlah pohon = 14 buah<\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Jadi, jumlah pohon yang dibutuhkan adalah 14 buah pohon.<\/span><\/p>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><div class=\"rltdpstsplgn-related-post-block\"><h4 class=\"rltdpstsplgn-related-title\"><\/h4><p>No related posts found...<\/p><\/div><\/span><\/p>\n<p><span style=\"font-weight: 400; color: #000000; font-family: helvetica, arial, sans-serif;\">Sekian informasi mengenai rumus keliling persegi panjang beserta contoh soal dan penyelesaiannya. Semoga informasi pada artikel ini dapat membantu Sedulur dalam belajar matematika dan juga meningkatkan semangat untuk mempelajari soal dan pembahasannya. Selamat belajar!<\/span><\/p>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><i><span style=\"font-weight: 400;\">Mau belanja bulanan nggak pakai ribet? <\/span><\/i><b><i>Aplikasi Super<\/i><\/b><i><span style=\"font-weight: 400;\"> solusinya! Mulai dari sembako hingga kebutuhan rumah tangga tersedia lengkap. Selain harganya murah, Sedulur juga bisa merasakan kemudahan belanja lewat handphone. Nggak perlu keluar rumah, belanjaan pun langsung diantar. Yuk, unduh aplikasinya <\/span><\/i><a style=\"color: #000000;\" href=\"https:\/\/bit.ly\/3g9Xqos\"><b><i>di sini<\/i><\/b><\/a><i><span style=\"font-weight: 400;\"> sekarang!<\/span><\/i><\/span><\/p>\n<p><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\"><i><span style=\"font-weight: 400;\">Bagi Sedulur yang punya toko kelontong atau warung, bisa juga lho belanja grosir atau kulakan lewat <\/span><\/i><b><i>Aplikasi Super<\/i><\/b><i><span style=\"font-weight: 400;\">. Harga dijamin lebih murah dan bikin untung makin melimpah. Langsung restok isi tokomu <\/span><\/i><a style=\"color: #000000;\" href=\"https:\/\/bit.ly\/3g9Xqos\"><b><i>di sini<\/i><\/b><\/a><i><span style=\"font-weight: 400;\"> aja!<\/span><\/i><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":24,"featured_media":57074,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[7679,7678,7680],"class_list":["post-56827","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lifestyle","tag-keliling-persegi-panjang","tag-rumus-keliling-persegi-panjang","tag-rumus-persegi-panjang"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Rumus Keliling Persegi Panjang Beserta Contoh Soalnya<\/title>\n<meta name=\"description\" content=\"Salah satu rumus yang berguna dalam ilmu matematika adalah rumus keliling persegi panjang. 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