   Chapter 8.4, Problem 27E 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 27 and 28, use your calculator value of π to solve each problem. Round answers to the nearest integer.Find the length of the radius of the circle whose area is 154 cm2.

To determine

To Find:

The length of the radius of the circle whose area is 154 cm2.

Explanation

Given:

The area of the circle is 154 cm2.

Formula used:

The area of the circle is A=πr2.

Calculation:

Consider, π=3.1428.

The area of the circle is A=πr2.

Therefore, 154=3.1428r2

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