Parallelograms

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) where opposite sides are parallel and equal in length.

Front

Which property is NOT true for a parallelogram?

Back

Diagonals are congruent.

Front

What do we know about the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other.

Front

What can be said about the opposite angles of a parallelogram?

Back

The opposite angles of a parallelogram are congruent.

Front

In a parallelogram, the sum of the interior angles is equal to what?

Back

The sum of the interior angles of a parallelogram is 360 degrees.

Front

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

Back

The opposite angle is also 70 degrees, and the adjacent angles are 110 degrees each.

Front

What is the relationship between the lengths of opposite sides in a parallelogram?

Back

The lengths of opposite sides in a parallelogram are equal.

Front

If ABCD is a parallelogram, what can be said about sides AB and CD?

Back

Sides AB and CD are parallel and equal in length.

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height.

Front

If the base of a parallelogram is 5 cm and the height is 4 cm, what is the area?

Back

Area = 5 cm × 4 cm = 20 cm².