Such a quadrangle cannot exist. If the quadrangle's angles are equal, they must be 90 degrees.
square
You are a rectangle! Note that it does not say all of your sides are of equal length.
Any parallelogram, including rhombus, but not including rectangle or square.
A square has 3 sets of parallel sides of equal length AND all the angles are 90 degrees. A rhombus has 2 sets of parallel lines of equal length, but the angles aren't all 90 degrees.
The opposite sides in a parallelogram are parallel and the same length. However, they are not angles at 90 degrees (right angles).
You are a rhombus.
You are a square?
You are a rhombus.
trapazoid
Rhombus!
A rhombus.
A rhombus.