TOLONG DIJAWAB PAKE CARA

diket:
tinggi prisma = 20 cm
luas alas = 1/2. x 10 x 8 = 40 cm²
volume prisma= ?
volume prisma = luas alas x tinggi
volume prisma = 40 x 20
volume prisma = 800 cm³

V = 1/2 × 8 × 10 × 20
V = 1600:2
V = 800