   Chapter 8.4, Problem 6E 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 approximate lengths of the radius and the diameter of a circle whose circumference is: a)88 in. (Use π = 22 7 .) b) 157 m (Use π = 3.14 .)

To determine

a)

To Find:

The lengths of the radius and the diameter of the circle whose circumference is 88 in.

Explanation

It is given that the circumference of a circle is 88 in.

The circumference of a circle is C=2πr.

Here, π=227.

Therefore, 88=2227r

Now it becomes, r=

To determine

b)

To Find:

The lengths of the radius and the diameter of the circle whose circumference is 157 in.

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