The diameter of the bottom surface of the cone is 10 cm, and the volume is 235.5 cm cubic. What is the height of the cone?

The diameter of the bottom surface of the cone is 10 cm, and the volume is 235.5 cm cubic. What is the height of the cone?

Radius = 10 △ 2 = 5cm
The height of a cone
=Volume × 3 △ bottom area
=235.5×3÷(3.14×5²)
=9 cm