A cone has a height of #18 cm# and its base has a radius of #7 cm#. If the cone is horizontally cut into two segments #8 cm# from the base, what would the surface area of the bottom segment be?
1 Answer
Explanation:
:.Pythagoras:
:.
:.S.A.
:.S.A.
:.Total S.A.
:.Pythagoras:
:.S.A. top part
S.A. top part
S.A. top part
S.A. top part
:.S.A. Botom part
The total surface area of the bottom part got to include
the surface area of the circle of the top part.
:.S.A. Botom part:.=47.512+400.049=447.561 cm^2#