All four of the angles of a rectangle (and of squares) are right angles.
(Its name comes from this : rect-angle.)
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A quadrilateral and a rectangle are the same so.............
It is a right angled parallelogram.
Parallelogram and Rectangle
All rectangles are parallelograms but a rhombus for example, is a parallelogram but not a rectangle.
The width of a rectangle is the same as one of its sides. That is not [usually] the case for a parallelogram.