Properties of Parallelograms and Rectangles

Front

What is a property of a parallelogram?

Back

Opposite sides are parallel.

Front

Which of the following is NOT a property of a parallelogram?

Back

All sides are congruent.

Front

A quadrilateral is a parallelogram: Always, Sometimes, or Never?

Back

Sometimes.

Front

What is a property of all rectangles?

Back

Both pairs of opposite sides have equal lengths.

Front

Which of the following is NOT a property of all rectangles?

Back

The diagonals are perpendicular.

Front

What can be said about the angles in a rectangle?

Back

All angles are congruent (90 degrees).

Front

What is true about the diagonals of a rectangle?

Back

The diagonals are congruent.

Front

What is the relationship between the sides of a rectangle?

Back

Opposite sides are equal in length.

Front

If a quadrilateral has one pair of opposite sides that are both parallel and equal, what can be said about it?

Back

It is a parallelogram.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.