Question

### Gauthmathier5154

Grade 12 · 2020-10-12

Good Question (78)

Answer

4.9(201) votes

### Gauthmathier0207

Grade 12 · 2020-10-12

Answer

3

Explanation

Substitute known values into the volume formula: \begin{align*}V &= \pi r^2h\\141.3 &= 3.14 \cdot r^2 \cdot 5\\141.3 &= 15.7 r^2\\9 &= r^2\end{align*}

By testing different whole numbers, you can see that \begin{align*}3\cdot 3=9,\end{align*} so the radius is 3 in.

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