Properties of Parallelograms and Rectangles

Front

What is a parallelogram?

Back

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

Front

What are the properties of opposite sides in a rectangle?

Back

In a rectangle, opposite sides are always parallel and equal in length.

Front

If one diagonal of a rectangle is 9 in, what is the measure of the other diagonal?

Back

The other diagonal is also 9 in, as the diagonals of a rectangle are equal in length.

Front

Is a parallelogram always a rectangle?

Back

No, a parallelogram is sometimes a rectangle. A rectangle is a specific type of parallelogram with right angles.

Front

Is a parallelogram a quadrilateral?

Back

Yes, a parallelogram is always a quadrilateral, as it has four sides.

Front

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

Back

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

Front

What is the relationship between the diagonals of a parallelogram?

Back

The diagonals of a parallelogram bisect each other but are not necessarily equal.

Front

What defines a rectangle?

Back

A rectangle is a parallelogram with four right angles.

Front

Can a rectangle be a square?

Back

Yes, a square is a special type of rectangle where all sides are equal.

Front

What is the area formula for a rectangle?

Back

The area of a rectangle is calculated as Area = length × width.