Activity: Visual Demonstration of the Pythagorean Theorem  
Go to:  http://www.keypress.com/.../VisualPythagorean.zip (opens a new window)  
Description:  Students do a visual demonstration of the Pythagorean theorem based on Euclid’s proof. By shearing the squares on the sides of a right triangle, they create congruent shapes without changing the areas of their original squares. The link to the activity itself is to a zip file that contains both the activity in pdf format and the corresponding sketch. This is a free sample activity from Exploring Geometry with the Geometer's Sketchpad. 

Technology Type:  Sketchpad  
Author:  Key Curriculum Press/Dan Bennett  
Language:  English  
Cost:  Does not require payment for use  
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Activity:  Exploring Geometry with The Geometer's Sketchpad  
Tool:  Visual Demonstration of the Pythagorean Theorem  
Courses:  Math 7  Pythagorean theorem  
Geometry  Pythagorean theorem  
