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15 terms

Ch 10--Polygons

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Triangle
A 3-sided figure
Quadrilateral
A 4-sided figure
Pentagon
A 5-sided figure
Hexagon
A 6-sided figure
Heptagon
A 7-sided figure
Octagon
An 8-sided figure
Nonagon
A 9-sided figure
Decagon
A 10-sided figure
Trapezoid
A quadrilateral with one pair of parallel sides
Parallelogram
A quadrilateral with 2 pairs of parallel sides
Convex Polygon
A polygon in which all of the diagonals lie in the interior of the polygon.
Concave Polygon
A polygon in which any point of a diagonal lies in the exterior of the polygon.
Diagonal
A segment connecting any two nonconsecutive vertices of a polygon
Polygon
A plane figure formed by a finite number of segments.
Regular Polygon
A convex polygon that is both equilateral and equiangular