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A polygon is a closed plane shape that is bounded by straight lines. A figure that is not a polygon is one the does not satisfy all three requirements.

If the boundaries of the shape move in three (or more) dimensions then it cannot be a polygon. For example, consider a die, ABCDEFGH where the square EFGH is directly under ABCD. Then ABCGHDA is a closed figure, bounded by straight lines but it is not a plane figure.


If ABCD is a square, then ABC is not a polygon because it is not closed.


A circle, ellipse, semicircle, a squiggle are not polygons because they are bounded by sides that are no all straight.

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9y ago

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DudeBot

6d ago

Oh, dude, a circle is not a polygon. Like, polygons have straight sides, and a circle is all curvy and smooth, so it's like the rebel shape that doesn't fit in with the polygon crew. So, if you see a shape rolling around without any corners, that's your non-polygon buddy, the circle.

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Q: Which shape is not a polygon?
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Related questions

What is the definition of non-polygon?

A non polygon is a shape that doesn't meet the requierments to be a polygon. In order to be a polygon, a shape must have no curved lines and must be a closed shape.


Which shape is a polygon?

A polygon is any closed shape with five sides


What the difference between a polygon and a non polygon?

A polygon is 2 dimensional shape whereas a non polygon can be 3 dimensional shape


What is is a non polygon?

A non polygon is a shape that doesn't meet the requierments to be a polygon. In order to be a polygon, a shape must have no curved lines and must be a closed shape.


What is an angle that faces the inside of a polygon or shape and it is formed by consecutive sides of the polygon or shape?

An internal angle of the polygon.


Why is a shape considered a polygon?

A shape is not considered a polygon. For example, a circle is not a polygon. So the question is based on a misunderstanding.


What is a polygon a shape with no crossing lines?

It is a polygon.


Is a polygon a arrow?

The polygon is not a arrow. It is a shape.


Is a 6 sided shape a polygon?

As long as the shape is enclosed, any shape of any number of sides is a polygon. The name for a six-sided polygon is a hexagon.


Is octahedron a polygon?

An octahedron is not a polygon. A polygon is a two dimensional shape. An octahedron is a three dimensional shape and is classified as a polyhedron.


How much sides a polygon have?

A polygon is a shape with 3 or more sides therefore a 2 sided shape isn't a polygon


Is there only one shape that is a polygon?

No because a polygon is a shape that has 3 or more sides.