To start with, you try to spell them correctly.
You either measure the circumference (not circumfrence)of a circle (not circl) or calculate it. Formulae for calculations will depend on what is known about the circle.
Chat with our AI personalities
multiply the radius by two then pultiply that by pi
8
The circumference of a circle is twice the radius times PI [2*pi*r] with r = 4 >> about 25
125.6 feet
Work it out the circumfrance of a circle is pie x the diameter!