Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 8 - Applications of Trigonometric Functions - Chapter Review - Review Exercises - Page 557: 21


$1.93$ square units

Work Step by Step

By definition: $K=\dfrac{ab\cdot sin(C)}{2}.$ Hence, here we have $K=\dfrac{2\cdot3\cdot \sin(40^\circ)}{2}\approx1.93.$
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