Math Geometry Problems, Online Education


 Problem 187. Right Triangle, Altitude, Incenters, Circles, Angles, Auxiliary Lines

In the figure below, ABC is a right triangle and BD is the altitude. E and F are the incenters of the triangles ADB and BDC respectively. Prove that the measure of the angle HDG is 135 degrees. View or post a solution.

Right triangle and circle problem 186



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