Question

1. Find the surface area of the square pyramid.
5 cm
5 cm

Answer 1

80.9

Explanation:

A=a2+2aa2

4+h2=52+2·5·52

4+52≈80.9017

Answer 2

5 x 5 =25
5 x 2.5 = 1.25
(12.5 x 4) + 25 = 75