Online Geometry
Problem 752: Square, Circle, Tangent, Chord, Angle. Level: High School, Honors Geometry, College,
Mathematics Education

The figure shows a square ABCD and a circle
of center C. BE and DF are tangent to circle C at E and F, respectively.
EF and CD meet at G. If the measure of angle CBE is 25 degrees, find the
measure of angle CGF.