Problem

A cylinder has a base diameter of \( 8 \mathrm{ft} \) and a height of \( 20 \mathrm{ft} \). What is its volume in cubic \( \mathrm{ft} \), to the nearest tenths place?

Answer

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Answer

\text{Volume: } V = \pi r^2 h

Steps

Step 1 ：\text{Diameter: } D = 8\ \text{ft}

Step 2 ：\text{Radius: } r = \frac{D}{2} = 4\ \text{ft}

Step 3 ：\text{Height: } h = 20\ \text{ft}

Step 4 ：\text{Volume: } V = \pi r^2 h

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