Parallelogram Index

Click the figure to see the parallelogram index and the Venn Diagram.

Continue reading at:

http://gogeometry.com/geometry/parallelogram_index_quadrilateral_side_parallel.html

## Sunday, January 25, 2009

### Parallelograms, Definition, Theorems, Problems

Labels:
parallelogram,
quadrilateral,
Venn diagram

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