Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 6 - Section 6.1 - Circles and Related Segments and Angles - Exercises - Page 287: 28

Answer

60$^{\circ}$

Work Step by Step

The blades form a circle around the light, which is 360$^{\circ}$. The angle between two blades is one out of 6 sections of the total circle. Therefore the angle has a measure of 360/6=60$^{\circ}$.
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