Perimeter

Front

What is perimeter?

Back

The 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 the perimeter of a square with each side measuring 5 cm?

Back

20 cm (P = 4 x side length).

Front

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

Back

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

Front

What is the perimeter of an equilateral triangle with each side measuring 4 cm?

Back

12 cm (P = 3 x side length).

Front

Farmer Bob wants to build a fence around a rectangular area that is 40 feet long and 20 feet wide. What is the perimeter?

Back

120 feet (P = 2(40 + 20)).

Front

What is the missing measurement if the perimeter of a rectangle is 30 cm and one side is 10 cm?

Back

10 cm (P = 2(length + width), so width = (30/2) - 10).

Front

What is the perimeter of a shape with sides measuring 6 cm, 8 cm, and 10 cm?

Back

24 cm (6 + 8 + 10 = 24).

Front

If a square has a perimeter of 32 cm, what is the length of one side?

Back

8 cm (P = 4 x side length, so side length = 32/4).

Front

What is the perimeter of a rectangle with a length of 12 cm and a width of 5 cm?

Back

34 cm (P = 2(12 + 5)).