Find the circumference of the circle shown, correct to two decimal places.
Find the circumference of the circle shown, correct to two decimal places.
If the radius of a circle is equal to $27$27 cm, find its circumference correct to one decimal place.
A circular running track has a diameter of $23$23 metres. How many laps must be completed to run $1600$1600 metres?
Give your answer correct to one decimal place.