20 POINTS
Which quadrilaterals always have consecutive angles that are supplementary?
A. Parallelograms
B. Rectangles
C. Rhombi
D. Squares
Which quadrilaterals always have diagonals that are perpendicular?
A. Parallelograms
B. Rectangles
C. Rhombi
D. Squares
Which quadrilaterals always have diagonals that bisect each other?
A. Parallelograms
B. Rectangles
C. Rhombi
D. Squares