Height of the solid right circular cone = 32 cm

Internal radius metallic spherical shell = 3 cm

External radius spherical shell = 5 cm

the volume of the spherical shell

Volume of solid right circular cone

Therefore, diameter = 2r = 7 cm

Height of the solid right circular cone = 32 cm

Internal radius metallic spherical shell = 3 cm

External radius spherical shell = 5 cm

the volume of the spherical shell

Volume of solid right circular cone

Therefore, diameter = 2r = 7 cm