Irregular Polygon

Regular polygon is a polygon that has all angles equal and all sides equal.

Regular Polygon Definition

So, regular polygon has

  • a = b = c = d = e, and
  • ∠v = ∠w =∠x = ∠y = ∠z

Definition of Irregular Polygon

Irregular polygon is a polygon that does not have all sides equal and all angles equal.

Irregular polygon has sides of any length and each interior angle can be any measure. It can be convex or concave.

Examples

Convex irregular polygonConcave irregular polygon
 Convex Irregular Polygon 1 Concave Irregular Polygon 1
 Convex Irregular Polygon 2 Concave Irregular Polygon 2

Equilateral Polygons

Equilateral Polygon is polygon that has all sides equal. This can still be irregular

Equilateral Polygon Example

Learn More

Lines of Symmetry of Plane Shapes

Consecutive Interior Angles

Angles of Elevation & Depression

Finding an Angle in a Right Angled Triangle

Geometry Index

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