If the volume of a right circular cone of height 9 cm is 48π cm3, find the diameter of its base.
We have ,
Volume of cone = 48π cm3
Height of cone h = 9 cm
= 1/3πr2h = 48π
= r2= 16 r = 4 cm
Hence diameter of its base = 2 × radius = 2×4 = 8 cm