On circle of center O, what is sum of angles alpha and beta?

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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On circle of center O, what is sum of angles alpha and beta?

Options are:
a. 30°
b. 100°
c. 150°
d. 80°
e. 70°

A 209
B
a
B
30⁰
G
Transcribed Image Text:A 209 B a B 30⁰ G
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O n space t h e space c i r c l e space o f space c e n t e r space O comma space w h a t space i s space s u m space o f space a n g l e s space a l p h a space a n d space b e t a ?

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