If the volume of a right circular cone of height 9 cm is 48 π cm3, find the diameter of its base.
Given; volume = 48 π cubic cm, h = 9 cm, r = ? Volume of cone = 1/3 π r2 h Or, 48 π = 1/3 π r2 X 9 Or, r2 = 48/3 = 16 Or, r = 4 cm