If AD is tangent to circle O at D, and ABC is a secant. If AD = 6 and AC = 9, what is AB?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 46E
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If AD is tangent to circle O at D, and ABC is a secant. If AD = 6 and AC = 9, what is AB?
1. 6
2. 2
3. 3
4. 4
Transcribed Image Text:If AD is tangent to circle O at D, and ABC is a secant. If AD = 6 and AC = 9, what is AB? 1. 6 2. 2 3. 3 4. 4
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