
 Mathematics Archives  Topics in Mathematics  Geometry 
  Geometry Building Blocks, Geometry words, Coordinate geometry, Pairs of lines, Classifying angles, Angles and intersecting lines, Circles, Polygons, Triangles, Quadrilaterals, Area of polygons and circles, Congruent figures, Similar figures, Squares and square roots, The Pythagorean Theorem and right triangle facts, Threedimensional Figures, Prisms, Pyramids, Cylinders, cones, and spheres 
  Spherical Geometry, Logic and the Axiomatic Method Incidence Geometry, Betweenness Axioms, Congruence Theorems, Axioms of Continuity, Neutral Geometry, Hyperbolic Geometry, Classification of Parallels, Inversion in Euclidean Circles, Models of Hyperbolic Geometry, Hypercycles and Horocycles, The Pseudosphere, Hyperbolic Trigonometry, Hyperbolic Analytic Geometry 
  Geometry, spatialvisualization skills, congruency, similarity, symmetry, area of polygons 
 archives.math.utk.edu /topics/geometry.html (1366 words) 
