Question

4. Find the surface area of the net below.
7 m
7 m
5 m

Answer 1

238

Explanation:

Formula: 2(aXb + bXc + cXa)

let, a = 7 m

b = 7 m

c = 5 m

then,

2(7X7 +7X5 + 7X5)

= 2(49 + 35 + 35)

= 2 X 119

= 238