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= 25
Salah 1 diagonal 14, maka setengahnya = 7
Pakai rumus pitagoras : 25 kuadrat - 7 kuadrat = √576
Maka setengah diagonal lain : 24
Luas : d1xd2:2
14x48/2
= 336 cm
d1 = 14, maka d2 = 48
L = 1/2 x d1 x d2 = 1/2 x 14 x 48 = 336 cm^2