Substitute the value of the radius into the formula. Multiply 2 by π then ... Using π = 3۰142, find the circumference a circle with a diameter of 9 m. Give the answer to 2 decimal places.

The circumference of a circle is calculated using the formula: \(\text{circumference} = \pi \times \text{diameter}\) This number is Pi. It is a number which goes on forever. \(\pi = 3. ...