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Pythagorean theorem

noun

, Geometry.
  1. the theorem that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.


Pythagorean theorem

/ pĭ-thăg′ə-rēən /

  1. A theorem stating that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other sides. It is mathematically stated as c 2 = a 2 + b 2, where c is the length of the hypotenuse and a and b the lengths of the other two sides.


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Word History and Origins

Origin of Pythagorean theorem1

First recorded in 1905–10
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Example Sentences

The name is applied by the French to the Pythagorean Theorem.

The Pythagorean Theorem, as it is generally called, has had other names.

In fact, without the concept of the square root, not even the Pythagorean Theorem can be fully grasped.

This is not available at this time, however, because the Pythagorean Theorem has not been proved.

These two propositions are usually proved by the help of the Pythagorean Theorem.

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Pythagorean scalePytheas