a rhombus
A square or a rectangle
360 degrees.
A rectangle.
The sum of angles in a quadrilateral is 360 degrees.
No, it has 4 right angles.
Two right angles are supplementary.
A trapezoid may have two right angles.
A right trapezoid can have no congruent sides and two right angles.
All of the angles in a rectangle are right angles.
A parallelogram.
It can have 2 right angles but not always