Question

a right circular cylinder with radius 2 is inscribed in a hemisphere with radius 5 so that its bases are parallel to the base of the hemisphere. what is the height of this cylinder?

Answer 1

Explanation:

We can use the Pythagorean Theorem to find the height of the cylinder

We have

height = √ [ 5^2 - 2^2 ] = √[25 - 4] = √21 units