Answer
$\angle B = 37.5˚$
Work Step by Step
Let $\angle B = x$
$tan(x) = \frac{32.4}{42.3}$
$x = tan^{-1}(\frac{32.4}{42.3})$
by GDC / calculator
$x = 37.450...$˚
$x = 37.5˚$
$\angle B = 37.5˚$
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 2 - Section 2.3 - Solving Right Triangles - 2.3 Problem Set - Page 80: 17
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