Area and Perimeter

Front

What is Perimeter?

Back

Perimeter is the total distance around the outside of a shape.

Front

How do you calculate the Perimeter of a rectangle?

Back

Add the lengths of all four sides or use the formula: P = 2(length + width).

Front

What is Area?

Back

Area is the amount of space inside a shape.

Front

How do you calculate the Area of a rectangle?

Back

Multiply the length by the width: A = length × width.

Front

What is the Perimeter of a square with each side measuring 5 cm?

Back

20 cm (P = 4 × side length).

Front

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

Back

16 sq cm (A = side length × side length).

Front

If a rectangle has a length of 6 cm and a width of 3 cm, what is its Area?

Back

18 sq cm (A = 6 cm × 3 cm).

Front

If a triangle has sides measuring 3 cm, 4 cm, and 5 cm, what is its Perimeter?

Back

12 cm (P = 3 cm + 4 cm + 5 cm).

Front

What is the Perimeter of a polygon with sides measuring 7 in, 5 in, and 9 in?

Back

21 in (P = 7 in + 5 in + 9 in).

Front

What is the Area of a rectangle with a length of 10 cm and a width of 2 cm?

Back

20 sq cm (A = 10 cm × 2 cm).