Tangents & Circle Question

jjonson

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I am trying to help my daughter with this question on her geometry test review. Can anyone help with a strategy for solving?

AE and AD are tangents to circle F. AE = 12, FE = 5. Find AB.
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i am trying to help my daughter with this question on her geometry test review. Can anyone help with a strategy for solving?

Ae and ad are tangents to circle f. Ae = 12, fe = 5. Find ab.
attachment.php

fe = 5, ae = 12 → af= 13 → ag = 8

ab/ag = af/ae → ab = 13/12*8
 
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