A cylinder is inscribed inside a cone such that the base of the cylinder lies on the base of the cone, and the top of the cylinder touches the lateral surface of the cone. The height of the cone is 24 cm, and the radius of its base is 10 cm. If the height of the cylinder is 12 cm, what is the radius of the cylinder?
1
3 cm
2
4 cm
3
5 cm
4
6 cm
5
7 cm