   Chapter 8.4, Problem 4E 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 circumference and area of a circle whose diameter has length 20 cm. Use π = 3.14 .

To determine

To Find:

The circumference and area of the circle whose diameter has length 20 cm.

Explanation

The circumference of a circle is C=πd.

Here, the diameter of the circle is 20 cm and the value of π is 3.14.

Therefore, C=3.1420=62.8.

The circumference of a circle is 62.8 cm.

The area of a circle is A=πr2

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