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# What are non convex polygons?

Updated: 4/28/2022

Wiki User

12y ago

A non-convex polygon is any polygon with at least one interior angle measuring at least 180 degrees. . A polygon is defined as an area enclosed by 3 or more line segments connected at their endpoints. Basically, the figure needs to be completely closed in, have no extra lines or part of lines coming out of it, and no curves. For a polygon to be convex all of its interior angles need to measure less than 180 degrees.

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12y ago

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Q: What are non convex polygons?
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### What are convex polygons with congruent sides and congruent angles?

Convex polygons with congruent sides and congruent angles are called regular polygons.

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### What the difference between convex and non convex polygons?

In a non-convex (or concave) polygon, at least one interior angle is a reflex angle. An alternative definition is that if you take any two points inside a conves polygon, the line joining them is wholly inside the polygon.

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Regular polygons are always convex by definition.

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These terms describe polygons. To identify a polygon as convex, we draw a segment from any vertex to any other vertex. This segment cannot go outside of the polygon. Non-convex is concave. If we draw a segment from a vertex to any other vertex, at least one of the segments will go outside of the polygon.

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### How are a parallelogram and triangle related?

They are both convex polygons.

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A concave polygon has at least one interior angle greater than 180 degrees. A convex polygon has none of those.

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6,776 growing, including convex and concave polygons, constructible polygons, cyclic polygons, and so much more

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A non convex is a concave and a convex is differently shaped

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Pick's theorem can't use for non-convex polygons. It needs at least 3 terms to define an area of a polygon.