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A concave polygon is a type of polygon that has at least one interior angle greater than 180 degrees, which causes it to "cave in" toward the interior. This results in at least one vertex pointing inward, creating a shape that can have both convex and concave angles. Additionally, a line segment drawn between two points within a concave polygon may lie outside the polygon, distinguishing it from convex polygons where all such segments remain inside. Concave polygons can have any number of sides, but their defining characteristic is the presence of at least one concave angle.
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Is a concave polygon a regular polygon?
No, a concave polygon cannot be a regular polygon.
A square is an example of a quadrilateral that is both a regular concave polygon and a regular convex polygon?
No. There can be no regular concave polygon.
What is the difference between a concave polygon and a convex polygon?
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.
What is a polygon with an inward vertex called?
A concave polygon.
What is a five sided concave polygon called?
A [concave] pentagon.
What is a nonconvex polygon?
A nonconvex polygon is a concave polygon. All polygons with 4 or more sides can be concave. An arrowhead is an example of a concave quadrilateral. The back of an envelop (where the sides are folded and glued together) is a concave pentagon.
A pool is in the shape of a polygon. The segments and vertices of the polygon are shown. Is this polygon convex or concave?
concave
What is a polygon that bends in?
It is a concave polygon. There are polygons of 4 or more sides that are concave.
A polygon that is not convex?
Is a concave polygon.
Is a concave polygon a regular polygon?
No, a concave polygon cannot be a regular polygon.
A square is an example of a quadrilateral that is both a regular concave polygon and a regular convex polygon?
No. There can be no regular concave polygon.
What is the difference between a concave polygon and a convex polygon?
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.
Is a noncovex polygon the same as concave polygon?
Yes.
What is a polygon with an inward vertex called?
A concave polygon.
What is a concave angle?
A concave angle is an angle, of a polygon that caves in.
What is a five sided concave polygon called?
A [concave] pentagon.
What are the similarities between regular polygon and a concave polygon?
A regular polygon is a special kind of convex polygon - one in which all the sides are of the same length and all the angles are equal. Convex and concave polygons form disjoint sets: so no concave polygon can be regular.
