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  1. Pythagorean theorem - Wikipedia

    When Euclidean space is represented by a Cartesian coordinate system in analytic geometry, Euclidean distance satisfies the Pythagorean relation: the squared distance between two …

  2. Pythagorean Theorem Calculator

    May 4, 2020 · This calculator solves the Pythagorean Theorem equation for sides a or b, or the hypotenuse c. The hypotenuse is the side of the triangle opposite the right angle.

  3. Pythagorean theorem | Definition & History | Britannica

    Oct 22, 2025 · Pythagorean theorem, geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse. Although the theorem has long …

  4. Pythagorean Theorem - Math is Fun

    When a triangle has a right angle (90°) ... ... and squares are made on each of the three sides, ... ... then the biggest square has the exact same area as the other two squares put together! …

  5. 6.10: Pythagorean Theorem - Mathematics LibreTexts

    Nov 4, 2025 · Theorem 6 10 1: Pythagorean Theorem In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the legs. That is, (6.10.1) leg 2 + leg 2 = …

  6. Pythagorean Theorem – Definition, Formula, Problems

    Dec 26, 2021 · Learn about the Pythagorean theorem in geometry. Get its definition, formula, and worked example math problems.

  7. The Pythagoras Theorem (Pythagorean Theorem) - Formula, …

    Dec 1, 2025 · The Pythagorean Theorem, also known as the Pythagoras Theorem, is one of the most fundamental theorems in mathematics and it defines the relationship between the three …

  8. Pythagorean Theorem | Brilliant Math & Science Wiki

    The Pythagorean theorem states that if a triangle has one right angle, then the square of the longest side, called the hypotenuse, is equal to the sum of the squares of the lengths of the …

  9. How to Use the Pythagorean Theorem. Step By Step Examples …

    How to use the pythagorean theorem, explained with examples, practice problems, a video tutorial and pictures.

  10. Pythagoreanism - Wikipedia

    Pythagorean philosophers believed that there was a close relationship between numbers and geometrical forms. Early-Pythagorean philosophers proved simple geometrical theorems, …