Alas SEGITIGA : √9²+12² = √81+144 = √225=15.
V = (1/2 x alas segitiga x tinggi segitiga) x tinggi prisma.
V = (1/2 x 15 x 12) x 15
V = 15x6x15
V = 1350 cm
V = 1/2 . a.t1.t <= a = 9, t1 = 12
= 1/2 . 9.12.15
= 9.6.15
V = 810 cm²
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Alas SEGITIGA : √9²+12² = √81+144 = √225=15.
V = (1/2 x alas segitiga x tinggi segitiga) x tinggi prisma.
V = (1/2 x 15 x 12) x 15
V = 15x6x15
V = 1350 cm
V = 1/2 . a.t1.t <= a = 9, t1 = 12
= 1/2 . 9.12.15
= 9.6.15
V = 810 cm²