Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 8 - Review Exercises - Page 386: 33b

Answer

A=$\frac{693}{2}$

Work Step by Step

r=.5d r=.5(21)=$\frac{21}{2}$ A=$\pi$r$^2$ A=$\frac{22}{7}$($\frac{21}{2}$)($\frac{21}{2}$) A=$\frac{693}{2}$
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