# Polygons

Polygons are the second shape of step 2 - Familiarize yourself with the Basic Geometry Shapes of my 'Teach your child Basic Geometry' crash course.

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## So what exactly are these shapes?

They are ANY plane shape i.e. two dimensional shape (2d)  that is a closed curve i.e. has an inside and and outside, made up of three or more line segments. Each apex of the polygon, can only be shared by two line segments.

Other than the circle and oval,  the shapes our children learn, even as pre-schoolers tend to be polygons.

They come in all shapes and sizes, but there are Regular Polygons that are easily recognizable.  These are:

## Polygons

Click on any of the images to be taken to information on each one.

## Naming Polygons

The regular polygons your elementary student will study are:

• Square
• Pentagon
• Hexagon
• Octagon

but the list of polygons continues.  You can read more about naming these here, however your child does NOT have to be familiar with these.