Rectangles #7-3

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with four right angles and opposite sides that are equal in length.

Front

What are the properties of a rectangle?

Back

1. Opposite sides are equal in length. 2. All angles are 90 degrees. 3. The diagonals are equal in length.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the relationship between the diagonals of a rectangle?

Back

The diagonals of a rectangle are equal in length and bisect each other.

Front

If the length of a rectangle is 10 cm and the width is 5 cm, what is the area?

Back

Area = 10 cm × 5 cm = 50 cm².

Front

If the length of a rectangle is 8 cm and the perimeter is 32 cm, what is the width?

Back

Width = (Perimeter/2) - Length = (32 cm/2) - 8 cm = 8 cm.

Front

What is the measure of each angle in a rectangle?

Back

Each angle in a rectangle measures 90 degrees.

Front

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

Back

The diagonals are perpendicular.

Front

In rectangle JKLM, if KL = 6 cm, what is the length of JM?

Back

JM = KL = 6 cm.