A cone has a height of 9 cm and its base has a radius of 8 cm. If the cone is horizontally cut into two segments 2 cm from the base, what would the surface area of the bottom segment be?
1 Answer
Nov 27, 2016
Explanation:
The apotheme is
the lateral surface area of the lower section is given by
with
so
In the end
the lateral surface sought is