Areas, Volumes, Surface Areas
Use these simple illustrated formulas to calculate volume and surface area of various shapes.
Brain Teasers: Geometry Puzzles
Slice and complete various figures to form requested shapes.
Geometry from the Land of the Incas
Presents problems involving circles and triangles, with proofs, SAT practice quizzes and famous quotes. Also, has examples of geometry in Peruvian culture.
Introduction to the Works of Euclid
Covers the life of Euclid and a discussion of Euclidean geometry.
The Everlasting Pi
The history, uses,and creator of pi and also some fun facts, jokes and songs.
Tim's Triangular Page
Learn about the basic properties, formulas, theorems and different types of triangles. Includes proofs and illustrations.