   Chapter 8.4, Problem 3E ### 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
31 views

# Find the approximate circumference and area of a circle whose radius has length 10 1 2 in. Use π = 22 7 .

To determine

To Find:

The circumference and area of the circle whose radius has length 1012 in.

Explanation

The circumference of a circle is C=2πr.

Here, the radius of the circle is 1012or212 in and the value of π is 227.

Therefore, C=2227212=2222172=66.

The circumference of a circle is 66 in.

The area of a circle is A=πr2

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