Question:

Find the volume of the right circular cone with (i) radius 6 cm, height 7 cm. (ii) radius 3.5 cm, height 12 cm

(i)radius=6cm,h=7cm
Volume=1/3πr²h=1/3×22/7×6×6×7=44×6=264cm³
(ii)r=3.5cm,h=12
Vol=1/3πr²h=1/3×22/7×3.5×3.5×12=154cm³