Geometry defintions

polygon

a closed figure formed by a finite number of coplanar segments called sides such that the following conditions are met the sides that have a common endpoint are nonlinear and each side intersects exactly two other sides

Sides of a polygon

the finite number of coplanar segments that form a closed figure

Vertices of a ploygon

the vertex of each angle of a polygon

Convex polygon

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

Concave polygon

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

equilateral polygon

a polygon with all congruent sides

equiangular polygon

a polygon with all congruent angles

regular polygon

convex polygon in which all he sides are congruent and all the angles are congruent

diagonals of a polygon

in a polygon, segments that connects nonconsecutive vertices of the polygon