Question

The base of a regular square pyramid has sides that are 10 cm long. The pyramid has a height of 12 cm. The slant height of the pyramid is 13 cm. What is the lateral area of the pyramid?

Answer 1

Explanation:

Area of a triangular face = 0.5(base)(slant height) = 0.5(10)(13) = 65 sq cm

Lateral area = 4(65) = 260 sq cm