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A polygon is a closed, two dimensional figure composed of line segments. Squares, hexagons, rectangles and concave octagons are all polygons.

## Polygon

en.wikipedia.org/wiki/Polygon

In elementary geometry, a polygon /ˈpɒlɪɡɒn/ is a plane figure that is .... The corresponding shapes in four or higher dimensions are called polytopes.

## Polygons - Math is Fun

www.mathsisfun.com/geometry/polygons.html

A polygon is a plane shape with straight sides. Is it a Polygon? Polygons are 2- dimensional shapes. They are made of straight lines, and the shape is "closed" ...

## 2D Shapes - Polygons and More - Math is Fun

www.mathsisfun.com/shape.html

2D Shapes. Regular Polygons. A polygon is a plane (2D) shape with straight sides. To be a regular polygon all the sides and angles must be the same: ...

* There are some special triangles that are important to know: Equilateral: All three sides are the same length and all three angles are equal. Scalene: NO two sides have the same length and no two angles are equal. Obtuse: One angle is greater than a ri... More »

## What is a Polygon? - Definition, Shapes & Angles - Video & Lesson ...

May 16, 2015 ... Polygons are everywhere! In this lesson, you will learn what they are and what they look like. You will also learn about a special class of...

## Math Game - Matching Shapes - Math Playground

www.mathplayground.com/matching_shapes.html

Learn all the common polygons by playing this fun, timed matching game.

## Polygon Shape Shoot - Geometry: Math Games - Sheppard Software

www.sheppardsoftware.com/mathgames/geometry/shapeshoot/PolygonShapesShoot.htm

Learn about open and closed shapes the fun way in this Polygon Shape Shoot Geometry Math Game.

## Welcome to the Polygon Playground! - Math Cats

www.mathcats.com/explore/polygons.html

If you cannot drag a shape, try again in a different spot. Be sure to drag the bottom edge or a side edge of each polygon, but not an angle. Each polygon has a ...

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