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

To calculate the perimeter of a rectangle, 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 4 cm?

Back

The perimeter of a square is calculated as P = 4 x side length. So, P = 4 x 4 cm = 16 cm.

Front

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

Back

The perimeter of the triangle is the sum of its sides: 3 cm + 4 cm + 5 cm = 12 cm.

Front

What is the perimeter of a shape with sides measuring 2 cm, 3 cm, and 5 cm?

Back

The perimeter is the sum of the sides: 2 cm + 3 cm + 5 cm = 10 cm.

Front

What is a unit of measurement for perimeter?

Back

Common units of measurement for perimeter include centimeters (cm), meters (m), and inches (in).

Front

What is the perimeter of a rectangle with a length of 6 m and a width of 2 m?

Back

P = 2(length + width) = 2(6 m + 2 m) = 2(8 m) = 16 m.

Front

If a square has a perimeter of 20 cm, what is the length of one side?

Back

If the perimeter is 20 cm, then each side is 20 cm ÷ 4 = 5 cm.

Front

What happens to the perimeter if you double the length of each side of a shape?

Back

If you double the length of each side, the perimeter also doubles.

Front

What is the perimeter of a circle called?

Back

The perimeter of a circle is called the circumference.