Right angle (geometry)/Definition

From Citizendium
Jump to navigation Jump to search
This article is a stub and thus not approved.
Main Article
Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
 
A definition or brief description of Right angle (geometry).

An angle of 90 degrees, corresponding to a quarter turn (that is, a quarter of a full circle), and twice that angle amounts to a half turn, or 180°.