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

If a rectangle has a length of 5 meters and a width of 3 meters, what is its perimeter?

Back

16 meters (P = 2(5 + 3) = 16).

Front

What is the perimeter of a square with each side measuring 4 inches?

Back

16 inches (P = 4 x 4 = 16).

Front

If a shape has sides measuring 2 cm, 3 cm, 2 cm, and 3 cm, what is its perimeter?

Back

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

Front

What is the perimeter of a triangle with sides measuring 3 cm, 4 cm, and 5 cm?

Back

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

Front

What is the formula for the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated as C = 2πr, where r is the radius.

Front

If a rectangle has a perimeter of 20 meters and a length of 6 meters, what is the width?

Back

7 meters (P = 2(length + width) => 20 = 2(6 + width) => width = 7).

Front

What is the perimeter of a shape with 4 equal sides measuring 5 feet each?

Back

20 feet (P = 4 x 5 = 20).

Front

If a fence surrounds a yard that is 10 meters long and 4 meters wide, what is the perimeter of the yard?

Back

28 meters (P = 2(10 + 4) = 28).