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6,776 growing, including convex and concave polygons, constructible polygons, cyclic polygons, and so much more
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I believe it means two or more polygons that share a same point.
There can be no convex polygon with three parallel sides. There are concave polygons with 6 or more sides that have three parallel lines.
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Convex polygons with congruent sides and congruent angles are called regular polygons.
Sure
Regular polygons are always convex by definition.
They are both convex polygons.
A concave polygon has at least one interior angle greater than 180 degrees. A convex polygon has none of those.
6,776 growing, including convex and concave polygons, constructible polygons, cyclic polygons, and so much more
Convex polygons are not concave polygons, which have at least one interior angle greater than 180 degrees and at least one vertex that points inward. Additionally, convex polygons do not have self-intersecting edges; all the line segments connecting any two points within the polygon remain inside or on the boundary of the shape. They also do not have any indentations or recesses in their structure.
No, they do not.
You cannot tessellate convex polygons with 7 or more sides.
Mark Richard Treuden has written: 'Collision probabilities of convex polygons in spherical two-space' -- subject(s): Convex bodies, Integral geometry, Polygons
Any polygon that has an angle that is > 180º is a concave polygon. A convex polygon does not. e.g. All regular polygons are convex.