In circle of center O of figure, angle AOB = twice (or 2) angle ABD. Then, measure of angle ACB is?

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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In circle of center O of figure, angle AOB = twice (or 2) angle ABD. Then, measure of angle ACB is?

 

A
D
B
C
Transcribed Image Text:A D B C
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