Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 1 - Test - Page 77: 8

Answer

Right angle

Work Step by Step

Since AC is a line, the angle between rays A and C is 180 degrees. Since BF bisects this angle, this means it cuts the angle into half. Thus, angle EBF must be a 90 degree angle. This means EBF is a right angle.
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