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Glencoe Math: Course 3, Volume 2 View details

3. Volume of Spheres

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Exercise 17 Page 611

The volume of a sphere is four thirds the product of π and the cube of the radius.

about 3053.6in.^3

Practice makes perfect

Consider the given sphere.

The volume of a sphere is four thirds the product of π and the cube of the radius. V=4/3π r^3 In the diagram, we can see that the radius is 9inches. Therefore, we can substitute 9 for r in the above formula and simplify the right-hand side.

V=4/3π r^3

Substitute

r= 9

V=4/3π ( 9)^3

▼

Evaluate right-hand side

CalcPow

Calculate power

V=4/3π (729)

CommutativePropMult

Commutative Property of Multiplication

V=4/3(729)π