   Chapter 9.4, Problem 32E Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Solutions

Chapter
Section Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

In Exercises 31 and 32, use the calculator value of π .For a sphere whose radius has length 7cm, find the approximatea) surface area.b) volume.

To determine

To find:

The approximate surface area of the sphere.

Explanation

Approach:

The surface area of a sphere S = 4πr2, where r is the radius of the sphere.

Calculation:

Consider the sphere with radius r = 7cm.

Surface area of sphere S = 4·π·r2

4·π·r2=4·3.14·72

To determine

To find:

The approximate volume of the sphere.

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