Mathwords: Polygon

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Polygon

A closed plane figure for which all sides are line segments. The name of a polygon describes the number of sides. A polygon which has all sides mutually congruent and all angles mutually congruent is called a regular polygon.

Number of sides Polygon name

pentagon

regular undecagon

octagon

4 quadrilateral

10 decagon

n n -gon

See also

Area of a regular polygon, area of a convex polygon

this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
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