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Lebar =7
panjang = ?
pake rumus diagonal
25kuadrat = √7kuadrat + pkuadrat
pkuadrat = √25 kuadrat - 7kuadrat
pkuadrat = √625-49
pkuadrat = √576
pkuadrat = 24
kliling = p+l+p+l =24+7+24+7 =62 cm
dit : k?
jawab : k= 2p + 2l
2.7 + 2.24
14 +48
62