# What is a Polygon? Polygon Properties

Wednesday, December 14, 2016

In this animated Geometry video, I'd like to discuss the characteristics of polygons.

Polygons are 2-dimensional closed shapes.

A closed shape does not have any openings, and every one of the lines connects.

You can’t leave the inside of a closed shape without crossing a line.

Polygons have right lines, nor have curves

A proper polygon has three parts.

Straight Lines

Vertices which will be the point of which the lines intercept

Angles formed by intercepting lines

There are various types of polygons

A regular polygon has equal lines and angles

An irregular doesn't have equals lines and angles

A concave polygon has one angle higher than 180 degrees

A convex polygon doesn't have any internal angles greater than 180 degrees

A simple polygon does not have any lines that cross.

A complex polygon has at least one line that crosses over itself.

Let’s connect

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