Circumference of a Circle

Front

What is the distance around a circle?

Back

Circumference

Front

If the radius of a cookie is 5 inches, what is the cookie’s circumference?

Back

31.4 in

Front

A circular swimming pool is 21 feet in diameter. How many feet around is the pool?

Back

65.94 ft

Front

A circle has a diameter of 17 inches. What is the circumference?

Back

53.38 inches

Front

What is the formula to calculate the circumference of a circle?

Back

Circumference = π × Diameter or Circumference = 2 × π × Radius

Front

What is the value of π (pi) approximately?

Back

3.14

Front

If a circle has a radius of 10 cm, what is its circumference?

Back

62.8 cm

Front

What is the relationship between diameter and radius?

Back

Diameter = 2 × Radius

Front

If the circumference of a circle is 31.4 cm, what is its diameter?

Back

10 cm

Front

What is the circumference of a circle with a radius of 7 inches?

Back

43.96 inches