Question

Given a circle with a radius of 2, which is the length of an arc measuring 75 Degrees?

Answer 1

Length of arc is equal to r * angle, where the angle is in radians. Seventy-five degrees in radians is equivalent to 75 * pi / 180 = 5pi/12.
 

Length of arc = r * angle = (2) * (5pi/12) = 5*pi/6 = 2.62 units.


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