Elementary Geometry for College Students (5th Edition)

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

Chapter 11 - Section 11.4 - Applications with Acute Triangles - Exercises: 14


$18.0$ m$^{2}$

Work Step by Step

$A=\frac{1}{2}(4)(10)\sin64^{\circ}$ $A=20\sin64^{\circ}$ $A\approx18.0$ m$^{2}$
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