Question

Surface Area of cones

Instructions: Find the surface area of each figure. Round your answers to the nearest tenth, if necessary.

Answer 1

9514 1404 393

Answer:

64.1 ft²

Explanation:

The area of the cone is given by ...

A = πr(r +h) . . . . for radius r and slant height h

A = π(2 ft)(2 ft +8.2 ft) ≈ 64.1 ft²