Question

A cone has a radius of 5. 1 inches and a height of 5 inches. What is the volume of the cone? Use 3. 14 for pi. Round to the nearest tenth. 25. 0 inÂł 75. 0 inÂł 125. 4 inÂł 136. 1 inÂł.

Answer 1

The correct option is  D. 136.1 cubic inches.

Given, Radius of cone is 5.1 inches.

Height of cone is 5 inches.

We know that, volume of cone,

$V=\frac{1}{3} \pi r^{2} h$

Here r is the radius of cone and h is its height.

on putting the value of r and h, we get

$V=\frac{1}{3} \times3.14\times(5.1)^{2} \times5$

$V=\frac{1}{3} \times3.14\times26.01\times5$

Or, $V=136.119 \ cubic \ inches$.

The volume of cone to the nearest tenth is 136.1 cubic inches.

Hence the correct option is  D. 136.1 cubic inches.

For more details on the volume of cone follow the link:

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