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= 12 cm : 2
= 6 cm
b = d₂ : 2
= 16 cm : 2
= 8 cm
a² + b² = c²
6² + 8² = c²
36 + 64 = c²
100 = c²
√100 = √c²
10 = c
s = c
= 10 cm
LP = 2(La) + (Ka × t)
= 2(1/2 × d₁ × d₂) + (4s × t)
= 2(1/2 × 12 × 16) + (4(10) × 26)
= 2(96) + (40 × 26)
= 192 + 1040
= 1232 cm²
Jadi luas permukaan prisma tersebut adalah 1232 cm²
k = 4 x s
= 4 x 10
= 40
La = D₁ x D₂ :2
= 12 x 16 : 2
= 6 x 16
= 96 cm²
luas permukaan
Lp = 2La + k x t
= 2 x 96 + 40 x 26
= 192 + 1040
= 1232 cm²