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11 Cards in this Set
- Front
- Back
polygon |
a closed figure formed by an infinite number of coplanar segments called sides such that the following conditions met
the sides that have a common endpoint are noncollinear
each side intersects exactly two other sides but only at their endpoints called vertices
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vertex of a polygon |
the vertex of each angle a polygon |
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concave |
a polygon for which there is a line containing a side of the polygon that also contains a point in the interior of the polygon. |
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convex |
A polygon for which there is no line that contains both a side of the polygon and a point in the interior of the polygon |
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n-gon |
A polygon with n sides |
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equilateral polygon |
A polygon with congruent sides |
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equiangular polygon |
A polygon with all congruent angles |
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regular polygon |
A convex polygon in which all of the sides are congruent and all of the angles are congruent |
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perimeter |
The sum of the lengths of the sides of a polygon |
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circumference |
The distance around a circle |
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Area |
The number of square units needed to cover a surface |