A pyramid has a base in the shape of a rhombus and a peak directly above the base's center. The pyramid's height is #2 #, its base has sides of length #7 #, and its base has a corner with an angle of #(2 pi)/3 #. What is the pyramid's surface area?
1 Answer
Dec 20, 2017
T S A = 98.8696
Explanation:
AB = BC = CD = DA = a = 7
Height OE = h = 2
OF = a/2 = 7/2 = 3.5
Area of
Lateral surface area
Area of base ABCD
T S A
T S A