Heptagons - Table of Content

Heptagon and Heptagrams / Septegram.

Proposed Problem 63: Heptagon Regular, Side and Diagonals.

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

Origami: a Heptagon from a square.

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

Geometry for Children: Polygon Song

Geometry: Thinking about Thinking. Pythagoras, Euclid, Euclidean geometry, inductive reasoning, deductive reasoning.

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