Pythagorean theorem

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Class

Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, the Pythagorean theorem or Pythagoras's theorem is a fundamental relation in Euclidean geometry between the three sides of a right triangle.

Excerpt from the Wikipedia article “Pythagorean theorem”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: en:User:Wapcaplet, CC BY-SA 3.0, via Wikimedia Commons.