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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 - 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 …

  3. Pythagorean theorem | Definition & History | Britannica

    Jan 2, 2026 · 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 …

  4. Pythagorean Theorem – Definition, Formula, Problems

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

  5. 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 …

  6. Pythagorean Theorem -- from Wolfram MathWorld

    5 days ago · After receiving his brains from the wizard in the 1939 film The Wizard of Oz, the Scarecrow recites the following mangled (and incorrect) form of the Pythagorean theorem, "The sum of the …

  7. What is the Pythagorean Theorem? How does it work?

    Back when you first studied square roots and how to solve radical equations, you were probably introduced to something called "the Pythagorean Theorem". This Theorem relates the lengths of the …

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

    Jan 1, 2026 · 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 …

  9. 9.2: The Pythagorean Theorem - Mathematics LibreTexts

    Jul 28, 2025 · However, one of the most famous theorems in all of mathematics does bear his name, the Pythagorean Theorem. Prior to revealing the contents of the Pythagorean Theorem, we pause to …

  10. Pythagoras Theorem - Formula, Proof, Examples - Cuemath

    The Pythagoras theorem which is also referred to as the Pythagorean theorem explains the relationship between the three sides of a right-angled triangle. According to the Pythagoras theorem, the square …