Question

If the circumference of the circle below is 72 what is the length of AB (the minor arc)

Answer 1

The Answer is 12 ......

Answer 2

2πr=72

=2*22/7*r=72

=r=72*7/44=504/44=252/22=126/11=11.45

=πr theta /180=22/7*11.45*60/180

=11.99=12(approx)

answer is (a) 12