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Tool: Touch Pythagoras
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Go to: http://play.google.com/store/apps/details (opens a new window)
Description: With this app the Pythagorean Theorem is interactive. You can change the lengths of the legs (dragging), the length of the hypotenuse with two fingers and zoom (pinch zoom) and rotate the figure (dragging). There are 3 ways to view the Pythagorean theorem, including showing the unit surfaces, two equivalent squares containing the same surface and the square for each leg in the square of the hypotenuse. You can change the precision of the lengths.
Technology Type: Android
Guide: User's Guide (opens a new window)
Author: Maurici Carbó Jordi
Language: English
Cost: Does not require payment for use

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