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A masonry brick is in the shape of a rectangular prism and is $8$ inches wide, $3.5$ inches deep, and $2.25$ inches high. What is its volume?

Use in^3 for cubic inches.

Solution

Using the formula for the volume of a rectangular prism:

$\begin{aligned} V\amp=wdh\\ \amp=\substitute{8}(\substitute{3.5})(\substitute{2.25})\\ \amp=63 \end{aligned}$

So the brick’s volume is $63$ cubic inches.