Perimeter

Front

What is Perimeter?

Back

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

Front

How do you find the perimeter of a rectangle?

Back

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

Front

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

Back

20 cm (Perimeter = 4 x side length).

Front

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

Back

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

Front

What is the perimeter of a shape with sides measuring 6 cm, 7 cm, and 8 cm?

Back

21 cm (6 + 7 + 8 = 21).

Front

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

Back

30 cm (Perimeter = 2(10 + 5) = 30).

Front

What is the perimeter of a triangle with two sides of 14 cm and one side of 16 cm?

Back

44 cm (14 + 14 + 16 = 44).

Front

How much ribbon is needed to go around a picture that is 6 inches long and 4 inches wide?

Back

20 inches (Perimeter = 2(6 + 4) = 20).

Front

What is the perimeter of a rectangle with a length of 12 feet and a width of 8 feet?

Back

40 feet (Perimeter = 2(12 + 8) = 40).

Front

If a shape has a perimeter of 56 cm, what could be the lengths of its sides?

Back

Possible sides could be 20 cm, 18 cm, and 18 cm.