Area of Rectangles and Parallelograms 22

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the area of a parallelogram?

Back

Area = base × height

Front

How do you calculate the area of a rectangle with a length of 9 cm and a width of 4 cm?

Back

Area = 9 cm × 4 cm = 36 square cm

Front

How do you calculate the area of a parallelogram with a base of 7 cm and a height of 9 cm?

Back

Area = 7 cm × 9 cm = 63 square cm

Front

Is the area of a rectangle always measured in square units?

Back

Yes, area is always measured in square units.

Front

True or False: The area of a rectangle is the same as the area of a parallelogram if they have the same base and height.

Back

True

Front

What is the area of a parallelogram with a base of 5 cm and a height of 3.5 cm?

Back

Area = 5 cm × 3.5 cm = 17.5 square cm

Front

What units are used to measure area?

Back

Area is measured in square units (e.g., square cm, square m).

Front

If a rectangle has an area of 48 square cm and a width of 6 cm, what is its length?

Back

Length = Area ÷ Width = 48 cm² ÷ 6 cm = 8 cm.

Front

If a parallelogram has an area of 50 square cm and a base of 10 cm, what is its height?

Back

Height = Area ÷ Base = 50 cm² ÷ 10 cm = 5 cm.