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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 16 Page 835

Use the formula for the volume of a cylinder.

1413.7 yd^3

Practice makes perfect

The given solid is a 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= 5, h= 18

V=π ( 5)^2 ( 18)

▼

Simplify right-hand side

Calculate power

V=π( 25)( 18)

Multiply

V=450π

Use a calculator

V=1413.71669...

Round to 1 decimal place(s)

V≈ 1413.7

The approximate volume of the given cylinder is 1413.7 yd^3.

Subchapter links

Exercises p.834-838