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