A quadrilateral and a rectangle are the same so.............
Chat with our AI personalities
A rectangle is defined as "a parallelogram with one right angle" A parallelogram is defined as "a quadrilateral with opposite sides equal and parallel" This makes a rectangle a sort of second-generation quadrilateral!
A quadrilateral is a parallelogram if it has two pairs of (opposite) sides that are parallel.
It is a right angled parallelogram.
All four of the angles of a rectangle (and of squares) are right angles.(Its name comes from this : rect-angle.)
4 right angles