Question

Find the surface area of a rectangular solid with the given dimensions length 7 feet, width 5 feet and height 8 feet give your answer without units

Answer 1

Answer:

262

Explanations:

The formula for finding the surface area of a rectangular solid is expressed as:

$SA=2(lw+wh+lh)$

where:

• l is the ,length, of the solid

,

• w is the ,width ,of the solid

,

• h is the ,height, of the solid

Given the following parameters:

$\begin{gathered} l=7\text{feet} \\ w=5\text{feet} \\ h=8\text{feet} \end{gathered}$

Substitute the given parameters into the formula:

$\begin{gathered} SA=2\lbrack(7\times5)+(5\times8)+(7\times8)\rbrack \\ SA=2(35+40+56) \\ SA=2(131) \\ SA=262 \end{gathered}$

Therefore the surface area of the rectangular solid is 262.