Question

### Gauthmathier3473

Grade 11 · 2020-12-03

One of the bass drums used in a marching band has a diameter of 18 inches and a depth of 14 inches. Find the volume of the drum to the nearest tenth. Use 3.14 for \pi.

Good Question (122)

Answer

4.7(171) votes

### Gauthmathier3228

Grade 11 · 2020-12-03

Answer

about \number{3560. 8} in^{3}.

Explanation

Find the radius of the drum.

r=\dfrac{d}{2}=\dfrac{18}{2}=9 in.

Find the volume of the drum.

V=\pi r^{2}h

\approx3.14\cdot9^{2}\cdot14

\approx3.14\cdot81\cdot14

\approx\number{3560.76}

The volume of the drum is about \number{3560.8} in^{3}.

r=\dfrac{d}{2}=\dfrac{18}{2}=9 in.

Find the volume of the drum.

V=\pi r^{2}h

\approx3.14\cdot9^{2}\cdot14

\approx3.14\cdot81\cdot14

\approx\number{3560.76}

The volume of the drum is about \number{3560.8} in^{3}.

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