Answer
The angle measure is wrong.
Work Step by Step
Though the student uses the correct equation for arc length, the student forgets that the value of theta must be in radians, not degrees, for the relationship to be true.
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 432: 94
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