Question

A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere of diameter ______.

Options

• r cm

• 2r cm

• h cm

• 2h cm

Answer 1

A right circular cylinder of radius r cm and height h cm (h > 2r) just encloses a sphere of diameter 2r cm.

Explanation:

Because the sphere is surrounded within the cylinder, its diameter is equal to the cylinder's diameter, which is 2r cm.