
Right Triangle, Squares, Perpendicular, Dissection, Areas.Ĭircle, Quadrilateral, Square, Tangent, Cube, Triangle, Isosceles, Area, 90-80-80-20 Degrees, Circumcircle, Sagitta, Inradius, Chord, Perpendicular. Sawayama - Thebault's theorem: Triangle, Incircle, Circle, Center, Tangent, Intersecting Circles, Chord, Perpendicular. Rectangle, Midpoints, Diagonal, Angle Bisector. Triangle, Perpendicular Bisector, Circumcircle, Midpoint. Triangle, Square, Circle, Octagon, Congruence, Isosceles, Equilateral, 90 Degrees, Circular Sector, Semicircle, Tangent, Radius, Diameter, Harmonic Mean. Triangle, Circle, Square, Congruence, Similarity, Circumradius, Perpendicular, Parallel, Secant, Tangent, Chord, Intersection, Midpoint, Radius, Angle.

Right Triangle, Square, Parallel, Perpendicular, Dissection, Area, Pythagoras. Triangle, Quadrilateral, Square, Parallelogram, Trapezoid, Altitude, Distances, Midpoint, Perpendicular, Transversal. Triangle, Square, Circle, Area, Cyclic quadrilateral, Tangent, Incenter, Circumcenter, Excircle, Midpoint, Altitude, Collinearity, Concurrence, Isosceles, Equilateral, Parallel, Perpendicular, Diameter, Concyclic.Ĭircle, Semicircle, Chord, Diameter, Tangent, Cyclic quadrilateral, Geometric mean, Square, Right triangle, Altitude, Collinearity, Circumcircle, Incenter, Excenter.Ĭircle, Tangent, Secant, Square, Triangle, Angle Bisector, 45, 60, 90, 120 Degrees, Side, Nonagon, Midpoint, Arc, Diagonal, Semicircle. Square, Circle, Similarity, Cyclic quadrilateral, Trapezoid, Triangle, Isosceles, Circumcircle, Incircle, Diagonal, Tangent, Perpendicular, Parallel, Concyclic points. Right Triangle, Altitude, Angle Bisector, Congruence. Right Triangle, Altitude, Angle Bisector, Perpendicular, 90 Degrees. Right Triangle, Altitude, Angle Bisector, Median. Triangle, Quadrilateral, Pentagon, Hexagon, Inscribed circle, Tangent, Semiperimeter, Equal circles, Concurrent lines, Altitude, Concyclic Points, Cevian, Incircle. Right Triangle, Altitude, Median, Equal angles, Measure. Triangle, Angle Trisectors, 60 Degrees, Equilateral triangle.Īcute Triangle, Squares, Altitudes, Area, Measure.

Triangle, Transversal, Four Circumcircles, Concurrency.

Triangle, Transversal, Four Circumcircles, Circumcenters, Concyclic Points, Geometry Theorems and Problems - Recent Additions (Page
