A sheet metal cover in the shape of a cone with radius 18.6 cm. What is the surface area of the cover? Round to two decimal places.

1 Answer

1086.865\ \text{cm}^2

Explanation:

Area of sheet metal covering the circular base of a cone of base radius r=18.6\ cm is given as

\pi r^2

=\pi (18.6)^2

=1086.865

The surface area of sheet metal covering the base of cone is
1086.865\ \text{cm}^2