hitunglah volume bangun tersebut

V(balok) = p × l × t
= 15 × 10 × 8
= 1200 cm³

V(kerucut) = luas alas × tinggi
= 15 × 10 × ( 20 - 8 )
= 150 × 12
= 1800 cm³

V(total) = V(balok) + V(kerucut)
= 1200 + 1800
= 3000 cm³