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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.)
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