Answer
6.98
Work Step by Step
Using the fact that there are $\pi$ radians per 180 degrees, we find:
$$ 400^{\circ}\times \frac{\pi\ radians}{180^{\circ}} =6.98\ radians$$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 6 - 6.1 - Angles and Their Measure - 6.1 Exercises - Page 431: 68
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