A rectangle.
It is a square that has 4 equal sides and 4 right angles.
Quadrilateral
It is a rhombus that has 4 equal sides but no right angles.
square
A rhombus
A quadrilateral with 4 equal sides and 4 right angles is a square.
It's impossible for a quadrilateral to have no equal sides and have right angles.
It is a square that has 4 equal sides and 4 right angles.
Quadrilateral
It is a rhombus that has 4 equal sides but no right angles.
square
A square
square
A rhombus.
A rhombus
Rhombus
It is a rhombus