Perimeter Practice

Front

What is perimeter?

Back

The distance around an object.

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

If a square has a perimeter of 40 cm, what is the length of each side?

Back

10 cm (since each side is equal and P = 4 x side length).

Front

What is the perimeter of a rectangle with a length of 6 cm and a width of 4 cm?

Back

20 cm (P = 2(6 + 4)).

Front

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

Back

12 cm (3 + 4 + 5).

Front

What is the perimeter of a square with a side length of 8 inches?

Back

32 inches (P = 4 x 8).

Front

If a rectangular garden has a length of 10 feet and a width of 5 feet, what is its perimeter?

Back

30 feet (P = 2(10 + 5)).

Front

What is the missing measurement if the perimeter of a rectangle is 24 cm and one side is 8 cm?

Back

8 cm (P = 2(length + width), so width = 24/2 - 8).

Front

How do you find the perimeter of a shape with unequal sides?

Back

Add the lengths of all sides together.

Front

What is the perimeter of a book that is 5 inches long and 8 inches wide?

Back

26 inches (P = 2(5 + 8)).