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As shown in the figure, two angle bisectors of triangle ABC, line segment BE and line segment CF, intersect at P. If Angle EPF = 111 degrees, what is Angle A in degrees?

 

 
 Sep 8, 2021
 #1
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Angle EPF = 180 - 111 = 69 degrees.

 
 Sep 8, 2021
 #2
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Angle A = 180 - 2(180 - 111) = 42º

 
 Sep 8, 2021

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