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kuncijaw1

Published by triwatiepi, 2021-09-22 22:05:04

Description: kuncijaw1

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KUNCI JAWABAN 1. Diketahui : Belah ketupat dengan panjang diagonalnya masing-masing 18 cm dan 24 cm. Ditanyakan : Keliling dan luasnya? Diawab : 24 cm AB2 = AO2 + BO2 = 92 + 122 = 81 + 144 = 225 = 15 cm 18 cm K =4s Luas = ½ × d1 × d2 = 4 x 15 cm = ½ × 18 cm × 24 cm = 60 cm = 9 cm × 24 cm = 216 cm2 Jadi, keliling belah ketupat adalah 60 cm dan luasnya 216 cm2


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