   Chapter 8.CT, Problem 10CT ### 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
1 views

# For the circle shown below, the length of the radius is r = 5 in.Find the exact:a) Circumference                                   _ b) Area                                   _ (HINT: Leave π in the answer in order to achieve exactness.) To determine

a.

To find:

The exact circumference of the circle.

Explanation

Given:

The length of the radius is 5 in.

Theorem:

The circumference C of a circle is given by the formula, C=πd or C=2πr where d is the diameter and r is the radius of the circle.

Calculation:

Given that the length of the radius is 5 in.

Here r=5 in

To determine

b.

To find:

The area of the circle.

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