If O is center of circle and angle AOB = 80°, then what is measure of angle ABC?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question

If O is center of circle and angle AOB = 80°, then what is measure of angle ABC?

 

A
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B
Transcribed Image Text:A 0 B
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Follow-up Question

Incorrect answer.
Choices are:
a. 40°
b. 50°
c. 80°
d. 100°
e. 120°

Please confirm

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