Geometry Problem

Click the figure below to see problems 131-140 about Triangle, Parallelogram, Van Aubel, Collinearity, Concurrency, 60 Degrees, Incenter, Orthocenter, Incircle, Congruence, Midpoint, Angle Bisector, Altitude, Perpendicular,

Parallel, Concyclic Points, Nagel Theorem, Circumradius, Semiperimeter, Excircle, Tangent, Ratio.

See also:

Problems 131-140

Level: High School, SAT Prep, College geometry