Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 11 - Test - Page 526: 7



Work Step by Step

$\sin43^{\circ}=\frac{a}{20}$ $20\times\sin43^{\circ}=a$ $a\approx14$
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