Answer by
BranandMike (148)

Thr formula for circumference of a circle is circumference equals pi times the diameter. If the radius of your given circle is 30, then the diameter would be 60. 60 times pi, pi is 3. 14, will give you your answer. Here is your problem, 60 x 3. 14 is 188. 4. The answer is 188. 4.