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Chapter 1: Q18. (page 30)

Find the volume of each cylinder. Round to the nearest tenth.

Short Answer

Expert verified

The volume of the given cylinder is 467.9 cubic meters.

Step by step solution

01

Step 1. State the formula.

The formula for the volume of a cylinder is V=蟺r2h, where V is the volume, r is the radius and h is the height of the cylinder.

02

Step 2. List the given data.

It is clear, from the given figure, that the radius of the cylinder is 4.9 m and the height of the cylinder is 6.2 m.

Then, r=4.9mand h=6.2m.

03

Step 3. Calculate the volume.

Put r=4.9, h=6.2and 蟺=227in V=蟺r2hto get,

V=2274.926.2=22724.016.2=227148.862=467.852

So, V=467.852.

04

Step 4. Determine the unit.

Since the unit of both radius and height of the cylinder is given as meter, the unit of volume must be cubic meters.

So, the volume of the cylinder is 467.852 cubic meters.

05

Step 5. Rounding off.

Rounding to the nearest tenth, the volume of the given cylinder is 467.9 cubic meters.

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