# How Many Triangles Are There?

Initializing live version

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

Most of my students want to see the answer immediately. I decided to give them that and asked them to figure out systematically how to get the answer.

Contributed by: Abraham Gadalla (March 2011)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

detailSectionParagraph## Permanent Citation

"How Many Triangles Are There?"

http://demonstrations.wolfram.com/HowManyTrianglesAreThere/

Wolfram Demonstrations Project

Published: March 7 2011