A polygon with four equal angles and sides is a square.
A four-sided polygon with four congruent sides and four equal angles is a square
trapezoid
a parallelogram
Four equal sides and no right angles
A polygon with four sides and four angles is a quadrilateral.
A rhombus is by definition a polygon with four sides of equal length. Since the sum of the internal angles of a polygon with four sides is 360° , a polygon with four sides can have four angles all equal to 90°. In this case we have a particular type of rhombus called square.
a square...
A square
it is called a square
Four sides
A rhombus has four equal sides but not necessarily equal angles. but tht is all i got