Properties of parallelograms

Front

The opposite angles of a parallelogram are ...

Back

congruent

Front

A parallelogram has both pairs of opposite sides ____________.

Back

Parallel and Congruent

Front

According to the image, which property of parallelogram are they referring?

Back

Opposite sides are parallel

Front

In the picture, side AB must be congruent to which side?

Back

CD

Front

What is a parallelogram?

Back

A quadrilateral with opposite sides that are parallel and equal in length.

Front

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

Back

360 degrees.

Front

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

Back

70 degrees, 110 degrees, 110 degrees.

Front

What is the relationship between adjacent angles in a parallelogram?

Back

Adjacent angles are supplementary (add up to 180 degrees).

Front

What can be said about the diagonals of a parallelogram?

Back

The diagonals bisect each other.

Front

If the lengths of two adjacent sides of a parallelogram are 5 cm and 12 cm, what is the perimeter?

Back

34 cm.