Drexel dragonThe Math ForumDonate to the Math Forum

The Math Forum Internet Mathematics Library

The Altitudes

Library Home || Full Table of Contents || Suggest a Link || Library Help

Visit this site: http://www.cut-the-knot.org/triangle/altitudes.shtml

Author:Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Description: A collection of proofs of the concurrency of altitudes in triangles, featuring a Java applet with which one can see the various points, lines, triangles, and circles associated with any given triangle.

Levels: High School (9-12), College
Languages: English
Resource Types: Web Interactive/Java
Math Topics: Triangles and Other Polygons

[Privacy Policy] [Terms of Use]

Home || The Math Library || Quick Reference || Search || Help

© 1994- The Math Forum at NCTM. All rights reserved.