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Glencoe Math: Course 3, Volume 2 View details

2. Volume of Cones

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Exercise 3 Page 600

Use the formula for the volume of a cone.

235.6 m^3

Practice makes perfect

We are given a cone.

To find the volume, we can use the formula for the volume of a cone. V= 13π r^2 h Here, r is the radius and h is the height of the cone. We are given that the height of the cone is 9 meters. To find r we can divide the diameter d by 2.

r = d/2

Substitute

d= 10

r = 10/2

CalcQuot

Calculate quotient

r = 5

The radius of the base is 5 meters. Let's substitute these values into the formula and calculate the volume.

V=1/3π r^2 h

SubstituteII

r= 5, h= 9

V=1/3π ( 5)^2 ( 9)