Question

The diameter of a solid metallic sphere is 20 cm. The sphere is melted and recast into small spherical solid balls each of diameter 1 cm. Find the number of balls which can be made?​

Answer 1

Answer =>

Refer to the attachment

Hope it will helps :)

Answer 2

Answer:

4=cm

Step-by-step explanation:

Medium

Answer

Volume of the Spheec =34​π×r3

                 

                                     =34​π×(216​)3

but r br the radius of the ball

8×34​π×r3=34​π×83

⇒8r3=83

⇒r3=82=(23)2

⇒r3=(22)3=43

∴r=4cm

Hence radius of the ball = 4 cm