a rectangle
It is a square or a rectangle where each interior angle is a right angle of 90 degrees.
A rectangle, or could be a square if lengths are the same.
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!
Yes
not true
That is called a rectangle.
A rectangle or a square.
a square or a rectangle
A square or a rectangle
A quadrilateral with all right angles is a rectangle.
No, because a rectangle has 4 right angles.
A rectangle, or perhaps a square.
a rectangle
rectangle
A square or a rectangle
rectangle