Respuesta :

mwalsh02

Answer

C) 40 degrees  

Step-by-step explanation:

I would use the inscribed angle theorem as proof. The inscribed angle theorem means that the angle m EFG = x and line EG(80 degrees) = 2x

2x = 80

40 degrees

x = 40 degrees

Answer:

C) 40 degrees  

Step-by-step explanation:

The measure of an inscribed angle is 1/2 of the measure of the intercepted arc.

The measure of the arc is 80°.  This makes the measure of the angle 1/2(80) = 40°.

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