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Given the following: mAB=mBC=mCD

In circle F, what is the measure of < AFB

Question options:

30°

45°

15°

7.5°

 Jun 4, 2018
 #1
avatar+17776 
+2

arc(CD)  =  2 x angle(E)

arc(CD)  =  2 x 15

arc(CD)  =  30

arc(AB)  =  30

central angle(F)  =  arc(AB)  =  30

 Jun 4, 2018

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