11 Area and Perimeter (flash cards) short (3)

Front

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

Back

Perimeter = 2 × (length + width)

Front

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

Back

Area = length × width

Front

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

Back

50 square cm

Front

If a rectangle has a length of 8 cm and a width of 3 cm, what is its perimeter?

Back

22 cm

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

Front

What is the perimeter of a square with each side measuring 4 cm?

Back

16 cm

Front

What is the area of a square with each side measuring 4 cm?

Back

16 square cm

Front

If a rectangle has a perimeter of 30 cm and a length of 10 cm, what is its width?

Back

5 cm

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 square cm

Front

What is the formula to calculate the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3