Geometry Problem 1353: Tangent Circles, Perpendicular Diameters, Congruence, 30 Degrees

Proposition

The figure below shows the circles of centers A and B tangent at C. Diameters EFBGH and CABD are perpendicular and FG = DH. Prove that the angle MCN has a measure of 30 degrees.


Geometry Problem 1353: Tangent Circles, Perpendicular Diameters, Congruence, 30 Degrees. Math Infographic, Tutor

See also:
Typography of problem 1353.