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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

4. Volumes of Prisms and Cylinders

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Exercise 5 Page 834

Use the formula for the volume of a cylinder.

206.4 ft^3

Practice makes perfect

The given solid is a cylinder.

given cylinder

The volume of a cylinder with the radius r and height h can be calculated by the following formula. V=π r^2 h Since we are given both the radius and height of the cylinder, we can substitute them into the formula and calculate V.

V=π r^2 h

r= 3.7, h= 4.8

V=π ( 3.7)^2 ( 4.8)

▼

Simplify right-hand side

Calculate power

V=π( 13.69)( 4.8)

Multiply

V=65.712π

Use a calculator

V=206.440336...

Round to 1 decimal place(s)

V≈ 206.4

The approximate volume of the given cylinder is 206.4 ft^3.

Subchapter links

Exercises p.834-838