Basic Properties of Parallelograms

Front

In a parallelogram, consecutive angles are __________.

Back

supplementary

Front

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

Back

140°

Front

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

Back

95°

Front

The opposite angles of a parallelogram are __________.

Back

congruent

Front

If one angle of a parallelogram is 70°, what is the measure of its consecutive angle?

Back

110°

Front

If m∠A = 60° in a parallelogram, what is m∠B?

Back

120°

Front

In a parallelogram, the sum of the interior angles is __________.

Back

360°

Front

If two angles of a parallelogram are 75° and 105°, what are the measures of the other two angles?

Back

75° and 105°

Front

The diagonals of a parallelogram __________ each other.

Back

bisect

Front

If the lengths of two opposite sides of a parallelogram are 8 cm and 8 cm, what can be said about the sides?

Back

They are congruent.