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In the image below, ray EF bisects angle DEG.  Show work to find the angle DEF.

 

 Mar 15, 2021
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since the ray EF is an angle bisector, DEF and FEG are equal.

 

this means that 5x-3 = 2x+15.

 

solving this equation, we get 3x = 18, and x = 6.

 

so DEF would be 5(6) - 3 = 27.

 

 

hope this helped!

 Mar 15, 2021

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