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What is a Vertex?

Date: 12/06/2001 at 21:11:39
From: Sarah
Subject: Vertices

What does vertices mean?

Date: 12/07/2001 at 09:53:55
From: Doctor Sarah
Subject: Re: Vertices

Hi Sarah - thanks for writing to Dr. Math.

The vertex is the point at which two rays of an angle or two edges of 
a polygon meet.

            /  The vertex is the point about which the angle is 
           /   measured.
   vertex /___________

The plural of vertex is vertices.  

              /  \
             /    \
            /      \
           /        \
   vertex /__________\ vertex

A triangle has three vertices.

- Doctor Sarah, The Math Forum
Associated Topics:
Elementary Definitions
Elementary Geometry
Elementary Triangles and Other Polygons
Elementary Two-Dimensional Geometry
Middle School Definitions
Middle School Geometry
Middle School Triangles and Other Polygons
Middle School Two-Dimensional Geometry

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