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The Altitude Theorem for Equilateral Triangles

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Visit this site: http://www.math.duke.edu/education/webfeatsII/gdrive/Team%20D/project/
Author:Web Feats Workshop II
Description: Use the applet to intrigue students with a surprising property of equilateral triangles, stimulate their curiosity to wonder why the property is true, then lead them to understand how the property can be proven in an unexpected way. This workshop was supported by the National Science Foundation through a grant to Duke University for the PostCALC Project and by the The United States Military Academy.
Levels: High School (9-12), College
Languages: English
Resource Types: Web Interactive/Java
Math Topics: Triangles and Other Polygons

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