The full circumference is 2π*11 = 22π.
120° is 1/3 of the full circle rotation (a full rotation is 360°).
Therefore the sector has arc length which is 1/3 the circumference. So the arc length is 22π/3.
Niki D.
asked • 09/29/22Radian and Degree Measure
Given a circle of radius 11m, find the length of the arc subtended by a central angle of 120°. Round decimals to the nearest hundredth.
___m
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