The circumference is the perimeter of a circle. It is a length and so is measured ... pi\) button but you can also use substitute \(\pi = 3.14\). However the answers for these two ways of dealing ...

Using π = 3۰142, find the circumference a circle with a diameter of 9 m. Give the answer to 2 decimal places. 3۰142 × 9 = 28۰278. This is rounded to 2 decimal places. The circumference of the ...