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A polygon can be any number of shapes. A polygon is a two dimensional shape made of at least 3 straight lines that do not cross and is a closed shape. Examples of polygons would include triangles, squares, rectangles, he... More »
An irregular polygon is any polygon where all sides and all interior angles are not equal. An polygon can be an irregular polygon regardless of how many sides it has. More »
Triangles, squares, rectangles, pentagons, hexagons and octagons are some of the most common polygons. A polygon is a plane figure with many sides made up of line segments. More »
A regular shape, also known as a regular polygon, is a shape that has sides that are all equal. If there are sides of differing lengths, these shapes are known as irregular polygons. More »
An inscribed polygon is a twodimensional shape contained entirely within a circle. The points of each corner are on the circumference of the circle. Inscribed polygons have other special geometric properties. More »
Unlike a regular shape, an irregular shape is a polygon with sides that aren't all equal and unequal angles. Some conventional geometric shapes, such as the rectangle, parallelogram and rhombus, are irregular. A rectangl... More »
In geometry, a shape, or polygon, with eight sides is called an octagon. A common example of an octagon in the real world is the stop sign. The octagon is also used in architecture, and umbrellas often come in an octagon... More »

Amazon Prime Benefits
Free 2day shipping, streamingvideo, music, photo storage & more.

Learn More About Alexa
Handsfree voice control for music,calling, smart home devices & more.

Shop Amazon Fire Tablets
Tablets designed for entertainmentat an affordable price.

Explore Amazon Smart Home
Shop for smart home devices thatwork with Alexa. See our guide too.

Meet the Fire TV Family
See our devices for streaming yourfavorite content and live TV.

Shop Echo & Alexa Devices
Play music, get news, control yoursmart home & more using your voice.