SOLUTION: if the circumference of the circle is 42cm what is the length of AB if it is 120 degrees?

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Question 736471: if the circumference of the circle is 42cm what is the length of AB if it is 120 degrees?
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

if the circumferance of the circle is

what is the length of if it is degrees?
since degrees is of full central angle in the circle, the length of the arc will be of the circumferance of the circle is
so,

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