SOLUTION: The circumference of a circle is 1, find the central angle corresponding to the arc which 2/5 long.
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Question 271134: The circumference of a circle is 1, find the central angle corresponding to the arc which 2/5 long.
Answer by Greenfinch(383) (Show Source): You can put this solution on YOUR website!
Quick answer is 0.4 radians.
In degrees, 360 degrees = 2 x pi
So 2/5 = 0.4 x 360/(2 x pi)= 22.92 degrees
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