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 #3 #, its base has sides of length #9 #, and its base has a corner with an angle of # pi/4 #. What is the pyramid's surface area?
1 Answer
Oct 18, 2017
Total Surface Area
Explanation:
AB = BC = CD = DA = a = 9
Height OE = h = 3
OF = a/2 = 9/2
Area of
Lateral surface area
diagonal
Area of base ABCD
Total Surface Area