Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 7 - Applications of Trigonometric Functions - Section 7.4 Area of a Triangle - 7.4 Assess Your Understanding - Page 565: 14


$0.17 \ square \ units$

Work Step by Step

We apply the area formula: $k=\dfrac{1}{2} a \ c \sin B$ Plug in the given data. Therefore, $k=\dfrac{1}{2} (2)(1) \sin (10^{\circ}) = \sin (10^{\circ}) \approx 0.17 \ square \ units$
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