What is the Circumference of a Circle When the Diameter is 18?
If the diameter is given, let us see how to calculate the circumference of the circle.
Answer: The circumference of the circle when the diameter is 18 is 56.52 units.
Circumference of a circle = 2 × pi × radius
So, the circumference of a circle in terms of diameter = diameter × pi
pi (π is the mathematical constant whose value is approximated to be 3.14)
Circumference of a circle whose diameter is 18
= 18* 3.14