College Geometry Online, eLearning


Heptagon and Heptagram 

Heptagon and Heptagrams / Septegram.

Proposed Problem 63: Heptagon Regular, Side and Diagonals.

Art of of problem 63

Geometric Art of Problem 63: Regular Heptagon.

Heptagon and Heptagram 

Geometric Art: Heptagon Kaleidoscope, Circular and Triangular Composition, iPad Apps, Mobile.

Regular Heptagon Word Cloud

Word Cloud of the Regular Heptagon.

Heptagon: Origami

Origami: How to make a Heptagon from a circle.
Origami: The sequenced crease pattern for making the heptagon.

Euclid's Elements 23 definitions

Euclid's Elements Book I, 23 Definitions. One-page visual illustration.
Euclid's Elements Book. Index

Geometry terms

Geometry Online Glossary .
Geometry Glossary based on the new New York State mathematics standards initiative.


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