Question

A rectangular prism has a base that is 6 m x 3.5 m and the prism is 9 m high what is the surface of area of the prism

Answer 1

S.A. = 213 m²

Explanation:

Look at the picture.

The formula of a Surface Area of a rectangular prism:

`S.A.=2(ab+ac+bc)`

We have

`a = 6\ m,\ b=3.5\ m,\ c=9\ m`

Substitute:

`S.A.=2(6\cdot3.5+6\cdot9+3.5\cdot9)=213\ m^2`