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BAB : BANGUN DATAR
K = 4s
100 = 4s
s = 100/4 = 25
panjang diagonal lainnya
= √25²-7²
= √625-49
= √576
= 24
*7 adalah setengah diagonal 14 dan 24 adalah setengah diagonal 48 (setengah diagonal lainnya)
L = 1/2 × a × b
= 1/2 × 14 × 48
= 336 cm²