What is the Pythagorean theorem

The video tutorial explains the Pythagorean theorem, which applies to right triangles. It describes the sides of a right triangle, with the hypotenuse being opposite the right angle. The theorem states that the sum of the squares of the two legs equals the square of the hypotenuse. The video also introduces the use of variables a, b, and c to represent the lengths of the sides, emphasizing that the theorem only holds for right triangles.

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