Geometry Problems 541 - 550

Problem 541.
Right Triangle, Altitude, Angle Bisector, Congruence.

Problem 542.
Right Triangle, Altitude, Angle Bisector, Perpendicular, 90 Degrees.

Problem 543.
Right Triangle, Altitude, Angle Bisector, Median.

Problem 544.
Right Triangle, Altitude, Median, Equal angles, Measure.

Problem 545.
Acute Triangle, Squares, Altitudes, Area, Measure.

Problem 546.
Triangle, Angle Trisectors, 60 Degrees, Equilateral triangle.

Problem 547.
Triangle, Transversal, Four Circumcircles, Concurrency.

Problem 548.
Triangle, Transversal, Four Circumcircles, Circumcenters, Concyclic Points, Similarity.

Problem 549.
Parallel lines, Transversal, Angle Sums.

Problem 550.
Parallel lines, Transversal, Angle Sums.