Angle A is circumscribed about circle O. What is the measure of D? 80° A

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter6: Circles
Section6.2: More Angle Measures In The Circle
Problem 29E: For the five-pointed star a regular pentagram inscribed in the circle, find the measure of 1and2.
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Angle A is circumscribed about circle O.
What is the measure of D?
C
80
A
B
Transcribed Image Text:Angle A is circumscribed about circle O. What is the measure of D? C 80 A B
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