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
Harish Chandra Rajpoot
Jul 28, 2018

#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#

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