Perimeter

Front

What is Perimeter?

Back

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

Back

20 cm (P = 4 x side length = 4 x 5 cm).

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 a figure with sides measuring 2 cm, 3 cm, and 5 cm?

Back

10 cm (2 + 3 + 5 = 10).

Front

What units are used to measure perimeter?

Back

Perimeter is measured in linear units such as centimeters (cm), meters (m), or inches (in).

Front

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

Back

22 cm (P = 2(8 cm + 3 cm) = 22 cm).

Front

What is the perimeter of a circle called?

Back

Circumference.

Front

How do you find the perimeter of a polygon?

Back

Add the lengths of all its sides.

Front

What is the perimeter of a shape with sides measuring 6 cm, 6 cm, and 4 cm?

Back

16 cm (6 + 6 + 4 = 16).