thisisjustforthestup thisisjustforthestup

08-06-2021
Mathematics

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A circle has a radius of 1. What is the length of the arc determined by a central angle measuring 120° ?

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angelcarmack angelcarmack

08-06-2021

Answer:

circumference = 2 * PI * radius

circumference = 2 * PI * 12.6

If the central angle is 120°, then the arc will be exactly one third of the circumference.

arc length = (2 * PI * 12.6) / 3

arc length = 8.4 PI

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