Find the radius r of the circle if an arc of length 6 m on the circle subtends a central angle of 2π/5 rad. (Round your answer to two decimal places.)

Guest Apr 19, 2018

Arc  Length  =  radius *  central angle  (in rads)


So we have


6  = radius  * (2/5)pi


6 (5/2) / pi  =  radius  =   30/pi ≈  9.55 m



cool cool cool

CPhill  Apr 19, 2018

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