Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 6 - Section 6.1 - Circles and Related Segments and Angles - Exercises - Page 286: 14a

Answer

$OA=\frac{1}{2}(AB)$

Work Step by Step

Since $\overline{OA}$ is a radius and $\overline{AB}$ is a diameter, the radius is half the length of the diameter. Thus... $OA=\frac{1}{2}(AB)$
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