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ANSWER:
18.1 ft³
STEP-BY-STEP EXPLANATION:
Given:
Radius (r) = 1.2 ft
Height (h) = 4 ft
We can determine the volume of the cylindrical barrel using the following formula:
[tex]V=\pi\cdot r^2\cdot h[/tex]We substitute each value and calculate the volume, like this:
[tex]\begin{gathered} V=\left(3.14\right)\left(1.2^2\right)\left(4\right) \\ \\ V=18.1\text{ ft}^3 \end{gathered}[/tex]The volume of the barrel is 18.1 ft³