Pythagorean theorem

American  

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.

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Pythagorean theorem Scientific  

/ pĭ-thăg′ə-rē′ən /

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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Etymology

Origin of Pythagorean theorem

First recorded in 1905–10

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Example Sentences

See Examples For:

Pythagorean theorem

So what exactly is a trigonometric proof of the Pythagorean theorem, and why was Loomis so closed off to the idea?

From Scientific American ● Apr. 10, 2023

Socrates's takeaway is that the boy had innate knowledge of the Pythagorean theorem all along; the questioning just helped him express it.

From Scientific American ● Mar. 7, 2023

Fortunately, there’s a much easier way to use the Pythagorean theorem on a job site.

From Seattle Times ● Dec. 12, 2022

Indeed, the Plimpton 332 clay tablet reveals that Babylonian mathematicians knew not only of the Pythagorean theorem of right triangles but also of trigonometric functions.

From Textbooks ● Jun. 15, 2022

When she looked, he pointed to a page with the Pythagorean theorem.

From "Out of Darkness" by Ashley Hope Pérez

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