Basic Properties of Parallelograms

Front

If ABCD is a parallelogram, what is the length of BD?

Back

10

Front

In a parallelogram, consecutive angles are __________.

Back

supplementary

Front

The figure is a parallelogram. Solve for x.

Back

11

Front

Find m∠U.

Back

95°

Front

Find m∠R.

Back

140°

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides parallel and equal in length.

Front

What are the properties of opposite angles in a parallelogram?

Back

Opposite angles are equal.

Front

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

Back

360°.

Front

If one angle of a parallelogram is 60°, what are the measures of the other angles?

Back

60°, 120°, 120°.

Front

What is the relationship between the diagonals of a parallelogram?

Back

Diagonals bisect each other.