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OpenStudy (anonymous):
what is the length of the inscribed arc when the radius is four and the gien arc is 120 degrees?
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OpenStudy (mathmale):
the formula for "arc length" is \(s=r*theta\), where r=radius and theta is the central angle.
OpenStudy (mathmale):
@ParthKohli has reminded me that that central angle MUST be in radians. So, please convert 120 degrees to radians.
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