Elementary Geometry for College Students (5th Edition)

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

Chapter 11 - Test: 7

Answer

$14$

Work Step by Step

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