441,859 views
33 votes
33 votes
The base of this right prism is a rectangle. What is the surface area of the prism? Height = 10 ft

The base of this right prism is a rectangle. What is the surface area of the prism-example-1
User Parenthesis
by
2.5k points

1 Answer

14 votes
14 votes

Surface area of a rectangular prism formula


SA=2(wl+hl+hw)

where w is width, l is length, and h is height.

Substituting with w = 4 ft, l = 6 ft, and h = 10 ft, we get:


\begin{gathered} SA=2(4\cdot6+10\cdot6+10\cdot4) \\ SA=2(24+60+40) \\ SA=2\cdot124 \\ SA=248\text{ ft}^2 \end{gathered}

User PSL
by
2.6k points