Geometry

Conjectures
in Geometry

http://www.geom.umn.edu/~dwiggins/mainpage.html

At this site you can find activities, definitions and diagrams of geometry conjectures.

Connections
Polyhedra

http://www.mcrel.org/resources/plus/poly.asp

Directions to build an Icosahedron as well as links to information about Polyhedra.

Cynthia
Lanius' Lessons - Geometry Online

http://math.rice.edu/~lanius/Geom/

Great activities for the Geometry student.

Gallery
of Interactive Geometry

http://www.geom.umn.edu/apps/gallery.html

More amazing activities for the person who wants to learn interactively.

Geometry
- Advanced Math

http://library.thinkquest.org/10030/geocon.htm

A great guide to Geometry from definitions to diagrams.

Geometry
Formulas and Facts

http://freeabel.geom.umn.edu/docs/reference/CRC-formulas/

Use documents from a CRC Standard Mathematical Tables and Formulas to understand
geometry.

Geometry
Jokes

http://www.csun.edu/~hcmth014/comics/geojokes.html

A list of some great and some bad geometry jokes. : )

Geometry
Junkyard - Polyhedra and Polytopes

http://www.ics.uci.edu/~eppstein/junkyard/polytope.html

Presents pointers on geometric properties of polygons, polyhedra, and higher dimensional
polytopes.

Geometry
Problem of the Week

http://forum.swarthmore.edu/geopow/

Solve a geometry problem of the week or peruse an archive of past questions.

History
of Geometry

http://aleph0.clarku.edu/~djoyce/mathhist/geometry.html

Connect to links describing the history of geometry.

Introduction
to Geometry

http://tqd.advanced.org/2647/geometry/intro/intro.htm

Learn the basics of geometry through informative text and diagrams.

Mathematics
Hots

http://www.abc.se/~m9847/matre/geometr.html

A great list of Geometry links on the web.

The
Geometry Center

http://freeabel.geom.umn.edu/

The Geometry Center has a unified
mathematics computing environment supporting math and computer science research,
mathematical visualization, software development, application development, video
animation production, and K-16 math education.