A cone has a height of #9 cm# and its base has a radius of #5 cm#. If the cone is horizontally cut into two segments #7 cm# from the base, what would the surface area of the bottom segment be?
1 Answer
Dec 26, 2017
T S A = 236.1549
Explanation:
#pirl= pi* 5 * 10.2956 = 161.7229 cm^2
#pir_2l_1 = pi* 1.1111 * 2.2879 = 7.9862 cm^2
Total surface area =
T S A = 78.5398 + 3.8784 + 161.7229 - 7.9862 = 236.1549