Find the surface area of the following half cone.

Find the surface area of the following cone.

Find the surface area of the following cone.

What is the surface area of a cone with a height of 8 and a base with a radius of 5?

The lateral area is twice as big as the base area of a cone. If the height of the cone is 9, what is the entire surface area (base area plus lateral area)?

The lateral area is twice as big as the base area of a cone. If the height of the cone is 9, what is the entire surface area (base area plus lateral area)?

Find the surface area of the following half cone.

Find the surface area of the following cone.

Find the surface area of the following cone.

Find the surface area of a cone that has a radius of 12 and a slant height of 15.