Sabtu, 28 November 2015

Jajar genjang

Dari Wikipedia bahasa Indonesia, ensiklopedia bebas

Jajar genjang
dengan alas $a$ dan tinggi $t$

Jajar genjang atau Jajaran genjang (inggris parallelogram) adalah bangun datar dua dimensi yang dibentuk oleh dua pasang rusukyang masing-masing sama panjang dan sejajar dengan pasangannya, dan memiliki dua pasang sudut yang masing-masing sama besar dengan sudut di hadapannya.

Jajar genjang dengan empat rusuk yang sama panjang disebut belah ketupat.

Rumus jajar genjang[sunting | sunting sumber]

Keliling[sunting | sunting sumber]

K = 2\cdot alas + 2\cdot sisi miring

Luas[sunting | sunting sumber]

L = Alas \cdot tinggi

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