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= 1/3 x 40 x 12
= 160 cm³
d1 = 8
d2 = 10
t = 12
ditanya : V.L ...?
jawab :
VL = (A) × (t) × (1/n)
VL = (d1×d2×1/2) × (12) × (1/4)
VL = (40)×(12)×(1/4)
VL = 120 cm^3
ket :
n = jumlah rusuk alas (belah ketupat)
VL = volume limas
A = luas alas (belah ketupat)