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96cm2 = 1/2 . 16. d2
d2 = 12cm
Triple pythagoras 6 . 8 . 10
sisi miring = 10cm (sisi)
K = 4 . 10 = 40cm
L = 1/2 × d₁ × d₂
96 = 1/2 × 16 × d₂
96 = 8d₂
12 = d₂
a = d₁ : 2
= 16 cm : 2
= 8 cm
b = d₂ : 2
= 12 cm : 2
= 6 cm
a² + b² = c²
8² + 6² = c²
64 + 36 = c²
100 = c²
√100 = √c²
10 = c
s = c
= 10 cm
K = 4s
= 4(10)
= 40 cm
Jadi kelilingnya adalah 40 cm (C).