In Circle O, AOC is a diameter, ADB is a secant, and BC is a tangent. If the measure of arc DC is 3 less than twice the measure of arc AD, find the missing angle or arc. Find the measure of ZA.

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
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In Circle O, AOC is a diameter, ADB is a secant, and BC is a tangent. If the measure
of arc DC is 3 less than twice the measure of arc AD, find the missing angle or arc.
Find the measure of ZA.
Transcribed Image Text:In Circle O, AOC is a diameter, ADB is a secant, and BC is a tangent. If the measure of arc DC is 3 less than twice the measure of arc AD, find the missing angle or arc. Find the measure of ZA.
D
A
C
Transcribed Image Text:D A C
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