Geometry, Theorems and Problems

Geometry Theorems and Problems - Recent Additions (Page 4 of 15)

Euclidean Geometry

Geometry Problem 1063

Geometry Problem 1063.
Triangle, Orthocenter, Altitudes, Equal Product of the Lengths of Segments.

Geometry Problem 1062

Geometry Problem 1062.
Scalene Triangle with an angle of 60 degrees, Euler Line, Orthocenter, Circumcenter, Distance, Congruence, Transversal.

Geometry Problem 1061

Geometry Problem 1061.
Triangle, Inradius (r), Circumradius (R), Circumcircle, Angle Bisector, Distance from a point to a Line, Perpendicular.

Geometry Problem 1060

Geometry Problem 1060.
Triangle, Incircle, Incenter, Inscribed circle, Tangent, Angle.

Geometry Problem 1059

Geometry Problem 1059.
Triangle, Circumcircle, Orthocenter, Altitude, Perpendicular, Reflection of a Point over a Line, Collinear Points, Simson Line, Congruence.

Geometry Problem 1058

Geometry Problem 1058.
Triangle, Sum of the Areas, Altitude, Perpendicular, Circumcircle, Circle, Diameter.

van Aubel theorem for Tablets, iPad, Nexus, Galaxy

van Aubel's Theorem. Quadrilateral with Squares. Proof with animation for Tablets, iPad, Nexus, Galaxy.

Geometry Problem 1057

Geometry Problem 1057.
Triangle, Area, Circle with Perpendicular Diameters, Tangent, Secant.

Geometry Problem 1056

Geometry Problem 1056.
Triangle, Exradius, Reciprocals of the Altitudes, Multiplicative Inverse, Perpendicular, Excircle, Circle.

Geometry Problem 1055

Geometry Problem 1055.
Triangle, Altitude, Perpendicular, Area, Circumradius, Circle.

Geometry Problem 1054

Geometry Problem 1054.
Triangle, Altitude, Orthocenter, Circumcenter, Perpendicular, Midpoints.

Geometry Problem 1053

Geometry Problem 1053.
Triangle, Two Perpendicular Medians, Midpoint, Congruence.

Geometry Problem 1052

Geometry Problem 1052.
Triangle, Quadrilateral, Three Circumcircles, Circle, Concyclic Points, Cyclic Quadrilateral.

Geometry Problem 1051

Geometry Problem 1051.
Triangle, Square, Semicircle, Arc, Area.

Geometry Problem 1050

Geometry Problem 1050.
Regular Hexagon, Center, Any Point, Inside, Outside, Distance, Metric Relations, Congruence.

Geometry Problem 1049

Geometry Problem 1049.
Hexagon inscribed, Circle, Circumcircle, Congruence, Angles.

Geometry Problem 1048

Geometry Problem 1048.
Circles, Tangent, Perpendicular, Diameter, Angle Bisector.

Geometry Problem 1047

Geometry Problem 1047.
Parallelogram, Parallel Lines, Concurrent Lines, Diagonals.

Geometry Problem 1046

Geometry Problem 1046.
Rectangle, Circle, Circumradius, Metric Relations.

Geometry Problem 1045

Geometry Problem 1045.
Quadrilateral, Diagonal, Triple Angle, Triangle, Congruence.

Geometry Problem 1044

Geometry Problem 1044.
Triangle, Parallelogram, Midpoint, Area.

Geometry Problem 1043

Geometry Problem 1043.
Right Triangle, Incenter, Excenter, Congruence, Metric Relations.

Geometry Problem 1042

Geometry Problem 1042.
Scalene Triangle, Isosceles, Equal Angles, Parallelogram, Congruence.

Geometry Problem 1041

Geometry Problem 1041.
Quadrilateral, Perpendicular, Diagonals, Congruence, Metric Relations.

Geometry Problem 1040

Geometry Problem 1040.
Isosceles Triangle, Transversal Line, Metric Relations.

Geometry Problem 1039

Geometry Problem 1039.
Isosceles Triangle, Circle, Tangent Line, Parallel Line.

Geometry Problem 1038

Geometry Problem 1038.
Isosceles Triangle, Angle, 80, 20, 25, 65 Degrees.

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Home | SearchGeometry | Email | By Antonio Gutierrez
Jul 13, 2014