Question

find the volume: 12 in 8 in

Explanation:

Step1: Find the radius

The diameter \(d = 12\) in. The radius \(r=\frac{d}{2}\), so \(r=\frac{12}{2}=6\) in.

Step2: Use the cone - volume formula

The volume formula for a cone is \(V=\frac{1}{3}\pi r^{2}h\). Substitute \(r = 6\) in and \(h = 8\) in.

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Take \(\pi\approx3.14\), then \(V = 96\times3.14=301.44\) in³

Answer:

\(301.44\) in³