Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 7 - Section 7.1 - The Law of Sines - 7.1 Problem Set - Page 368: 6

Answer

$b \approx 16$ cm

Work Step by Step

$\frac{b}{sin(60)} = \frac{12}{sin(40)}$ $b = \frac{12sin(60)}{sin(40)}$ $b = \frac{10.392...}{0.642...}$ by GDC / calculator $b = 16.167...$ cm $b \approx 16$ cm
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