Properties of Parallelograms

In a parallelogram, the diagonals are __________.

• congruent

• perpendicular

• bisected

• equal

Find m∠U if m∠T = 85° in a parallelogram.

• 75°

• 85°

• 95°

• 105°

If a parallelogram has one right angle, what can be said about its other angles?

• All angles are right angles.

• Two angles are acute and two are obtuse.

• The other angles are complementary.

• The other angles are equal to 45 degrees.

In a parallelogram, opposite angles are __________.

• congruent

• supplementary

• complementary

• equal

Find m∠R if m∠P = 40° in a parallelogram.

• 120°

• 130°

• 140°

• 150°

What is the relationship between the lengths of the diagonals in a parallelogram?

• They bisect each other.

• They are equal in length.

• They are perpendicular to each other.

• They are of different lengths.

Find x if the angles of a parallelogram are 101° and x°.

• 79°

• 85°

• 90°

• 75°

In a parallelogram, consecutive angles are __________.

• complementary

• equal

• supplementary

• perpendicular

In a parallelogram, if one pair of opposite sides is equal, what can be said about the other pair?

• They are also equal.

• They are unequal.

• They are perpendicular to each other.

• They are parallel but not equal.

What is a parallelogram?

• A quadrilateral with opposite sides parallel and equal in length.

• A three-sided polygon with equal sides.

• A four-sided figure with all angles equal to 90 degrees.

• A shape with only one pair of parallel sides.