   Chapter 9.4, Problem 34E ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698

#### Solutions

Chapter
Section ### Elementary Geometry for College St...

6th Edition
Daniel C. Alexander + 1 other
ISBN: 9781285195698
Textbook Problem
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# A sphere has a surface area equal to 154   i n 2 . Determine the length of the radius of the sphere. U s e   π ≈ 22 7 .

To determine

To find:

The length of the radius 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 whose surface area is equal to 154 in2.

Surface area of sphere S = 4·π·r2.

154=4·π·r2

154=4·227

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