that's a square
Rhombus: A Rhombus has four congruent sides but no right angles.
A square
Rectangle.
a square
A rhombus.
Rhombus. Because a Rhombus has four congruent sides but no right angles.
A quadrilateral, specifically a square or rectangle
A square.
A square
A square.
trapeziod
A rectangle is a quadrilateral with opposite sides parallel and congruent and four right angles. If all four sides are congruent, it is a square.