Pythagorean Theorem. Geometry-Triangles
Description
In this video we'll learn how to use the pythagorean theorem, which is a theorem that applies only to right-triangles (triangles that include a 90-degree angle). The pythagorean theorem tells us that the sum of the squares of the lengths of the legs is equal to the sum of the length of the hypotenuse (the longest side).
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3 min 7 sec
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