   Chapter 8.4, Problem 5E 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

Find the exact lengths of the radius and the diameter of a circle whose circumference is: a) 44π in b) 60π ft

To determine

a)

To Find:

The lengths of the radius and the diameter of the circle whose circumference is 44π in.

Explanation

The circumference of a circle is C=πd.

It is given that the circumference of a circle is 44π.

Therefore, 44π=πd.

To find d, divide both sides by π.

44ππ=πdπ.

d=44.

The diameter of the circle is 44 in.

Also we know that, C=2πr

To determine

b)

To Find:

The lengths of the radius and the diameter of the circle whose circumference is 60π ft.

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