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 a parallelogram?

Back

1. Opposite sides are equal in length. 2. Opposite angles are equal. 3. The diagonals bisect each other.

Front

What is a rectangle?

Back

A rectangle is a parallelogram with four right angles (90 degrees).

Front

What are the properties of a rectangle?

Back

1. Opposite sides are equal in length. 2. All angles are right angles. 3. The diagonals are equal in length.

Front

How do you find the area of a rectangle?

Back

Area = length × width.

Front

How do you find the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the relationship between squares and rectangles?

Back

A square is a special type of rectangle where all four sides are equal in length.

Front

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

Back

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

Front

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

Back

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

Front

What does it mean for a quadrilateral to be a parallelogram?

Back

A quadrilateral is a parallelogram if both pairs of opposite sides are parallel.