A shape with five sides would be a pentagon, but a shape can not have 5 right angles. Squares and Rectangles are both shapes with 4 sides and 4 right angles. They are the only shape with the same amount of right angles as there is sides.
A shape with opposite sides parallel and of the same length and four right angles is a rectangle.
Not possible ! If the shape has four right-angles, at least two sides must be the same length.
Rhombus
A rectangle has 4 sides not the same length and 4 right angles.
a rhombus
parrallelogram
rectangle
It is a rhombus or a parallelogram.
Parrallelogram
A triangle.
A rectangle.