sebuah krucut jari jari alasnya 7dm tingginya 18dm maka volomenya

Volume Kerucut :
V = ⅓ × π × r × r × t
V = ⅓ × 22/7 × 7 × 7 × 18
V = 22 × 7 × 6
V = 22 × 42
V = 924 cm³

Maaf Kalau Salah

Volume kerucut
= 1/3πr²t
= 1/3 (22/7) (7 dm) (7 dm) (18 dm)
= 19.404 / 21 dm³
= 924 dm³³