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

If the circumference of the circle below is 72 what is the length of AB (the minor-example-1

2 Answers

5 votes
The Answer is 12 ......
User Andreasrein
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3.2k points
8 votes

Answer:

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

User Daniel Harris
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3.7k points