Properties of Parallelograms

Front

The opposite angles of a parallelogram are ...

Back

congruent

Front

In a parallelogram, consecutive angles are __________.

Back

supplementary

Front

In a parallelogram, diagonals are __________.

Back

bisected

Front

If one angle of a parallelogram is 75 degrees, what are the measures of the other angles?

Back

75 degrees, 105 degrees, 75 degrees, 105 degrees.

Front

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

Back

360 degrees.

Front

If two sides of a parallelogram are equal, what type of parallelogram is it?

Back

It is a rhombus.

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are congruent.

Front

In a parallelogram, if one angle is 85 degrees, what is the measure of the opposite angle?

Back

85 degrees.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

If the base of a parallelogram is 10 cm and the height is 5 cm, what is the area?

Back

50 cm².