Question

Find the surface area of the pyramid. The side lengths of the base are equal.

Thank you in advance

Answer 1

195.6

Explanation:

area of base= 1/2 * 8 * 6.9 = 27.6

area of lateral face= 1/2 * 8 * 14 = 56

total surface area = 27.6 + 56 + 56 + 56 = 195.6