Question

The side faces of square pyramid are equilateral triangular in shape. The base perimeter of the pyramid is = 64 cm. Then the surface area of the pyramid

Answer 1

Answer:

Perimeter=4a=64

a=16cm

Area of equilateral tringle 4 Nos=4xv3a2/4=v3a2

Hence surface area-v3x16=16v 3

cm2