Area of Rectangles and Parallelograms

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 perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

How do you calculate the perimeter of a parallelogram?

Back

Perimeter = 2 × (base + side length).

Front

What is the area of a rectangle with a length of 5 cm and a width of 4 cm?

Back

Area = 5 cm × 4 cm = 20 cm².

Front

What is the area of a parallelogram with a base of 6 m and a height of 3 m?

Back

Area = 6 m × 3 m = 18 m².

Front

If a rectangle has an area of 36 mm² and a width of 6 mm, what is the length?

Back

Length = Area ÷ Width = 36 mm² ÷ 6 mm = 6 mm.

Front

What is the perimeter of a rectangle with a length of 10 m and a width of 5 m?

Back

Perimeter = 2 × (10 m + 5 m) = 30 m.

Front

What is the area of a rectangle with a length of 8 ft and a width of 2 ft?

Back

Area = 8 ft × 2 ft = 16 ft².

Front

If a parallelogram has a base of 10 cm and a height of 4 cm, what is its area?

Back

Area = 10 cm × 4 cm = 40 cm².