# Geometry Problems: High School, College

 Go Geometry Problems Collection Geometry Problem 1005. Triangle, Circle, Circumcenter, Interior and Exterior Angle Bisector, 90 Degree, Perpendicular. Geometry Problem 1004. Triangle with Squares, Perpendicular Bisectors, Concurrent Lines. Geometry Problem 1003. Intersecting Circle, Circumcircle, Chord, Secant, Triangle, 90 Degree, Angle, Perpendicular Lines. Geometry Problem 1002. Triangle, Circumcircle, Cevian, Parallel Lines, Cyclic Quadrilateral, Concyclic Points. Geometry Problem 1001. Triangle, Circumcircle, Perpendicular, Perpendicular Bisector, Tangent, Collinear Points. Geometry Problem 891 Equiangular Octagon, Metric Relations, Sides, Auxiliary Lines. Geometry Problem 890 Two Squares inscribed in Circles, Concurrent Lines. GeoGebra, HTML5 Animation for Tablets. Geometry Problem 889 Carnot's Theorem in an acute triangle, Circumcenter, Circumradius, Inradius. GeoGebra, HTML5 Animation for Tablets. Geometry Problem 888 Butterfly Theorem, Circle, Chord, Midpoint. GeoGebra, HTML5 Animation for Tablets. Geometry Problem 887 Triangle, Altitude, Angle Bisector, Perpendicular, Midpoint, Concyclic Points. GeoGebra, HTML5 Animation for Tablets. Geometry Problem 886 Right Triangle, Incenter, Angle Bisector, Perpendicular, 45 Degrees, Concyclic Points, Isosceles Right Triangle. GeoGebra, HTML5 Animation for Tablets (iPad, Nexus). Geometry Problem 885 Intersecting Circles, Three Tangent Lines, Midpoint. Geometry Problem 884: The Pythagorean Curiosity Right Triangles and squares, fifteen conclusions. Geometry Problem 883 Five Circumscribed Quadrilaterals, Circle, Tangent, Common Tangent. Geometry Problem 882 Triangle, Angle x, 2x, 7x, Cevian, Congruence, Auxiliary Lines. Geometry Problem 881 Triangle, three Squares, Centers, Areas. Geometry Problem 848 Special Right triangle, Catheti or legs ratio 1:2, 26.5 Degrees. Double angle.