Area and Perimeter of Rectangles

What is the formula to calculate the area of a rectangle?

• length / width.

• length + width.

• length - width.

• length x width.

If the length of a rectangle is 5 cm and the width is 3 cm, what is its area?

• 10 square cm.

• 15 square cm.

• 8 square cm.

• 20 square cm.

If the area of a rectangle is 20 square units and the length is 5 units, what is the width?

• 10

• 6

• 3

• 4

If the perimeter of a rectangle is 18 units and the length is 6 units, what is the width?

• 2 units

• 3 units

• 9 units

• 12 units

If the area of a rectangle is 36 square meters and the width is 6 meters, what is the length?

• 6 meters

• 12 meters

• 24 meters

• 18 meters

If the length of a rectangle is 5 inches and the width of the rectangle is 2 inches, what is the perimeter?

• 8 units

• 10 units

• 12 units

• 14 units