Question

Find the surface area of the rectangular prism.
7 in
1 in
3 in

Answer 1

`62in^2`

Explanation:

Formula of total surface area of a prism:

`2(lb+bh+lh)`

= 2[(7x3)+(1x3)+(1x7)]

= 2[21+3+7]

= 2 x 31

=
`62in^2`