Question

question
what is the volume of a hemisphere with a diameter of 30.3 ft, rounded to the nearest tenth of a cubic foot?
answer attempt 2 out of 2
ft³
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Explanation:

Step1: Find the radius

The diameter \( d = 30.3 \) ft, so the radius \( r=\frac{d}{2}=\frac{30.3}{2} = 15.15 \) ft.

Step2: Recall the volume formula for a hemisphere

The volume \( V \) of a hemisphere is given by \( V=\frac{2}{3}\pi r^{3} \).

Step3: Substitute the radius into the formula

Substitute \( r = 15.15 \) into the formula:

$$
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Answer:

\( 7270.2 \)