Properties of Parallelograms

Front

In a parallelogram, diagonals are __________.

Back

bisected

Front

Find x if the angles of a parallelogram are 103°, x°, 77°, and 73°.

Back

77

Front

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

Back

140°

Front

Find m∠U if m∠T = 95° in a parallelogram.

Back

95°

Front

In a parallelogram, consecutive angles are __________.

Back

supplementary

Front

Definition: A parallelogram is a quadrilateral with __________.

Back

opposite sides that are parallel and equal in length.

Front

The sum of the interior angles of a parallelogram is __________.

Back

360°.

Front

If one angle of a parallelogram is 60°, what is the measure of the opposite angle?

Back

60°.

Front

If two angles of a parallelogram are 70° and 110°, what is the measure of the other two angles?

Back

70° and 110°.

Front

In a parallelogram, opposite angles are __________.

Back

congruent.