Bantu dong soal bangun datar ini

v1 = p×l×t
= 32 × 20×12
= 640 ×12
= 7680 cm³

v2 = Lalas × t
= (6×20:2) × 32
= 60 ×32
= 19600 cm³

v1 + v2 = 7680 cm³ + 1920 cm³
= 9600 cm³

V1=20×32×12=7680
V2=1/2.20×(18-12)×32
    =1/2×20×6×32
    =1/2×1920
    =960
V.total=7680+960=8640