The figure is a parallelogram. One diagonal measures
28 units.
21
20
20
28
28
220
24
21
Is the figure a rectangle? Explain.
O No, it is not a rectangle because the diagonals are
congruent.
O No, it is not a rectangle because the sides of the
parallelogram do not meet at right angles.
O Yes, it is a rectangle because the diagonals are
congruent.
O Yes, it is a rectangle because the sides of the
parallelogram do meet at right angles.