Geometry Problems 51 - 60

Problem 51: Fagnano's Problem
Inscribed Triangle with the Minimum Perimeter. Orthic triangle.

Problem 52
Triangle, angles, incircle.

Problem 53: Angle bisector, circles

Problem 54: Angle bisector, circles Midpoint of arc.

Problem 55: Angle bisector, circles Cyclic Quadrilateral.

Problem 56: Angle bisector, circles Parallel Lines.

Problem 57: Angle bisector, circles Cyclic Quadrilateral.

Problem 58: Right Triangle, Congruence, Perpendiculars.

Problem 59: Right and Equilateral Triangles, Midpoints.

Problem 60: Isosceles triangle.