To circumscribe a regular polygonMathworldPlanetmath (such as a triangle, square, pentagonMathworldPlanetmath, etc.) or a cyclic quadrilateralMathworldPlanetmath, is to enclose it in a circle so that the vertices of the polygonMathworldPlanetmathPlanetmath are on the circumferenceMathworldPlanetmath of the circle.

For example, a circumscribed square:

One more example, a circumscribed pentagon.

Title circumscribe
Canonical name Circumscribe
Date of creation 2013-03-22 16:24:32
Last modified on 2013-03-22 16:24:32
Owner PrimeFan (13766)
Last modified by PrimeFan (13766)
Numerical id 11
Author PrimeFan (13766)
Entry type Definition
Classification msc 51D20
Synonym circumscribed
Synonym circumscription
Related topic RegularPolygonAndCircles
Related topic Inscription