Area and Perimeter of Rectangles

Front

What is the formula for calculating the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width

Front

If a rectangle has a length of 5 units and a width of 3 units, what is its perimeter?

Back

16 units

Front

If a rectangle has a length of 4 units and a width of 2 units, what is its area?

Back

8 units²

Front

What do you do to find the perimeter of a rectangle?

Back

You add the lengths of all four sides.

Front

What is the difference between perimeter and area?

Back

Perimeter is the distance around a shape, while area is the space inside a shape.

Front

If the perimeter of a rectangle is 20 units and the length is 6 units, what is the width?

Back

Width = 4 units (Perimeter = 2 × (length + width) => 20 = 2 × (6 + width))

Front

What units are used to measure area?

Back

Square units (e.g., square meters, square centimeters)

Front

What units are used to measure perimeter?

Back

Linear units (e.g., meters, centimeters)

Front

If a rectangle has a length of 10 units and a width of 5 units, what is its area?

Back

50 units²