Triangle inequality

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

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Notion

Domain

Science and technology

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What Wikipedia says

In mathematics, the triangle inequality states that for any triangle in Euclidean space, the sum of the lengths of any two sides must be greater than or equal to the length of the third side. If a, b, and c are the lengths of the sides of a triangle then:

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

Image: Thomas Steiner, CC BY-SA 3.0, via Wikimedia Commons.