Perpendicular

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

Class

Notion

Domain

Science and technology

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What Wikipedia says

In geometry, two geometric objects are perpendicular if they intersect at right angles, i.e. at an angle of 90 degrees or π/2 radians. The condition of perpendicularity may be represented graphically using the perpendicular symbol, ⟂.

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

Image: en:Image:Perpendicular-coloured.svg, CC BY-SA 3.0, via Wikimedia Commons.