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The Converse of the Pythagorean Theorem

Directions

Move points A and B to change the triangle into an acute, right, or obtuse triangle. Create two acute triangles and two obtuse triangles. Watch what happens to the relationship of a² + b² versus c².
Jerel L. Welker, Matt James Lincoln Southwest HS Lincoln, NE jwelker@lps.org, mjames2@lps.org