Math -- Area and Perimeter of a Rectangle

Front

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

Back

Area = length × width

Front

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

Back

Perimeter = 2 × (length + 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 5 cm and a width of 3 cm, what is its area?

Back

15 square centimeters

Front

If a rectangle has a length of 10 m and a width of 4 m, what is its perimeter?

Back

28 meters

Front

Which of the following expressions would help find the area of a rectangle: 2 × (length + width) or length × width?

Back

length × width helps find the area.

Front

What is the area of a rectangle with a length of 6 units and a width of 2 units?

Back

12 square units

Front

What is the perimeter of a rectangle with a length of 8 cm and a width of 5 cm?

Back

26 cm

Front

If the area of a rectangle is 20 square inches and the width is 4 inches, what is the length?

Back

5 inches (Area = length × width => length = Area / width = 20 / 4)