The height of a cone is 15 cm. If its volume is 1570 cm3, find the radius of the base. (Use π = 3.14)
Given; volume = 1570 cubic cm, h = 15 cm, r = ?
Volume of cone = 1/3 π r2h
Or, 1570 = (1/3) X (3.14) X r2 X 15
Or, r2 = (1570 X 3)/(3.14 X 15) = 100
Or, r = 10 cm
