Another Pythagorean theorem proof | Right triangles and trigonometry | Geometry | Khan Academy
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Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-pythagorean-proofs/v/another-pythagorean-theorem-proof Visually proving the Pythagorean Theorem Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math ...
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