Properties of Parallelograms

Front

Which theorem shows that the quadrilateral is a parallelogram?

Back

Diagonals bisect each other.

Front

The opposite angles of a parallelogram are ...

Back

Congruent.

Front

State which method we can use to show that the quadrilateral is a parallelogram.

Back

Both pairs of opposite angles are congruent.

Front

In a parallelogram, consecutive angles are __________.

Back

Supplementary.

Front

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

Back

75°, 105°, 75°, 105°.

Front

What is the property of opposite sides in a parallelogram?

Back

Opposite sides are congruent.

Front

What can be said about the diagonals of a parallelogram?

Back

The diagonals bisect each other.

Front

If two sides of a quadrilateral are parallel and equal in length, what can be concluded?

Back

It is a parallelogram.

Front

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

Back

360 degrees.

Front

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

Back

60 degrees.