Answer
$a \approx2.18, B= 70^\circ,
c \approx6.39$
Work Step by Step
Given $b=6, A=20^\circ$, we have $a=b\ tanA=6tan20^\circ\approx2.18, B=90^\circ-20^\circ=70^\circ,
c=\frac{b}{sinB}=\frac{6}{sin70^\circ}\approx6.39$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 8 - Applications of Trigonometric Functions - 8.1 Right Triangle Trigonometry; Applications - 8.1 Assess Your Understanding - Page 519: 34
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