Question

Ari is painting blocks of wood for a project. Each block is 8cm long, 4 cm wide and 5 cm high. What is the surface area of each block?

Answer 1

160

Explanation:

surface area is length x width x height

8 x 4 x 5 = 160

Answer 2

(8+4)*2*4+2(8*4)

=96 +64

= 160