Geometry Problem 1359: Triangle, Circumcircle, Congruent Angles, Midpoints.

Proposition

A triangle ABC is inscribed in a circle and a point D is on the arc AB. Angles DEC and DFB are congruent, G is the midpoint of BC and H is the midpoint of EF. (See the figure below). Prove that angles DHG and DEC are congruent
 


Geometry Problem 1359: Triangle, Circumcircle, Congruent Angles, Midpoints
 


Sketch of problem 1359


Sketch and typography of Geometry Problem 1359 using iPad Apps, Tutor

 


 

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