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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 points equals the sum …

  2. 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 been …

  3. Pythagorean Theorem - Definition, Formula & Examples - ChiliMath

    Definition of Pythagorean Theorem For a given right triangle, it states that the square of the hypotenuse, c c, is equal to the sum of the squares of the legs, a a and b b.

  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! (press Go). It is …

  5. 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.

  6. Pythagorean theorem - Encyclopedia of Mathematics

    Dec 17, 2016 · Also known as Pythagoras' theorem, the Pythagorean theorem is a theorem in geometry that gives a relationship between the sides of a right-angled triangle. The Pythagorean theorem was …

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

    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 sides of a …

  8. Pythagorean Theorem – Definition, Formula, Problems

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

  9. Pythagorean theorem | Geometry (all content) - Khan Academy

    In this topic, we’ll figure out how to use the Pythagorean theorem and prove why it works.

  10. 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 two shorter …