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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.)

 Apr 19, 2018
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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

 Apr 19, 2018

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