Question

a right circular metallic cone of height 20 cm and the radius of the base 5cm is melted and recast into sphere find the radius of the sphere​

Answer 1

Answer:

volume of cone =(1/3)πr^2 h= (1/3)π 5^2 .20

volume of shere = (4/3)π R^3 ( R is the radius of the sphere)

(4/3)πR^3 = (1/3)π 5^2.20

R ^3 = 5^3

R =5