Question

if the arc and the radius have no equal length will it be a radian?​

Answer 1

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Answer:

One radian is equal to the angle formed when the arc opposite the angle is equal to the radius of the circle. So in the above diagram, the angle ø is equal to one radian since the arc AB is the same length as the radius of the circle.

hence if the arc and the radius of circle are not equal then it be a radian

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