Properties of Parallelograms

Front

In a parallelogram, the diagonals are __________.

Back

bisected.

Front

In a parallelogram, consecutive angles are __________.

Back

supplementary.

Front

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

Back

79°.

Front

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

Back

95°.

Front

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

Back

140°.

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides parallel and equal in length.

Front

What is the sum of the interior angles of a parallelogram?

Back

360°.

Front

If one angle of a parallelogram is 70°, what are the measures of the other angles?

Back

70°, 110°, 110°.

Front

In a parallelogram, opposite angles are __________.

Back

congruent.

Front

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

Back

They bisect each other.