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OpenStudy (kenny252):
How long is the arc subtended by an angle of 7π/5 radians on a circle of radius 25 cm?
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OpenStudy (mathmale):
Know the formula for arc length? s= r (theta), where (theta) is the angle that subtends the arc and must be expressed in radians, not in degrees. What more do you need to know to solve this problem?
OpenStudy (mathmale):
\[s=r \theta\]
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