   Chapter 8.4, Problem 8E ### 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

# Find the exact length of the radius and the exact circumference of a circle whose area is: a) 36π m2 b) 6.25π ft2

To determine

a)

To Find:

The length of the radius and the circumference of the circle whose area is 36π m2.

Explanation

It is given that the area of the circle is 36π m2.

The area of the circle is A=πr2.

Therefore, 36π=πr2.

Now it becomes, r2=36</

To determine

b)

To Find:

The length of the radius and the circumference of the circle whose area is 6.25 ft2.

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