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About a Line and a Triangle

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Visit this site: http://www.cut-the-knot.org/triangle/FixedPoint.html
Author:Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Description: An interactive page illustrating how the relation between the vertices and the sides of a triangle can be investigated by rotating the triangle.
Levels: High School (9-12), College
Languages: English
Resource Types: Web Interactive/Java
Math Topics: Triangles and Other Polygons

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