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Maths Exercices

Regular Polygons

Regular polygons
Regular polygon is a polygon where all sides are of equal length, called equilateral sides, and where all angles are also equal, called equilateral angles.

Some regular polygons are so common that they have a special descriptive mathematical name:

Number of sides
Common name
3
Triangle
4
Square (Quadrilateral)
5
Pentagon
6
Hexagon
7
Heptagon
8
Octagon
9
Nonagon
10
Decagon
12
Dodecagon
n
n-gon


Regular polygons: