A convex polygon with congruent sides and congruent angles is a regular polygon.
Some regular pilgrims have specific names: Equilateral triangle and square
Chat with our AI personalities
a polygon with 4 right angles and 4 sides of the same length
any regular polygon
A polygon with 2n sides (n>1) can have opposite angles congruent.
Not all polygons are regular by definition. An irregular polygon may have non-congruent sides or non congruent angles or both. A regular polygon will always have both congruent sides and angles.
Any polygon with 2n sides (n integer) where opposite sides are parallel, will have its opposite angles congruent.