

School, College: Geometry Theorems and
Problems, Index

Geometry, Level: College, High
School  Table of Content




Problems and solutions. 

Geometry Problem 930.
Acute Triangle, Altitudes, Circles, Diameter, Angle, Measure.


Geometry Types, Methodologies, Terminologies
Interactive Mind Map and News.


Definitions. 

Points, Theorems and Problems  Index. 

Angles. Theorems and Problems. 

Lines:
Parallel,
Perpendicular,
Concurrent,
Transversal,
Collinear Points,
Midpoints 

Triangles:
Equilateral,
Isosceles,
Right Triangle,
Obtuse Triangle 

Quadrilaterals:
Parallelogram,
Square,
Rectangle,
Rhombus,
Trapezoid 

Polygons:
Pentagon,
Hexagon,
Heptagon,
Octagon,
Nonagon or Enneagon 

Circles:
Intersecting Circles,
Tangent Circles,
Intersection of a Line with a Circle 

Triangle Centers:
Centroid /Barycenter,
Circumcenter,
Incenter,
Excenter,
Orthocenter 

Congruence


Similarity, Ratios, Proportions.
Metric Relations in a Right Triangle 

Areas:
Triangle,
Square. 

Classical
Theorems 

Solid Geometry. 

Geometry
Art Problems
Gallery Index


Geometria en Espanol,
Teoremas y Problemas en
Espanol. (Spanis(Spanishlanguage version) 

Euclid's Elements Book.
Index 

Geometry
for Children. 

Dynamic Geometry. 






