document.write( "Question 1128109: In the following problem, θ is a central angle that cuts off an arc of length s. Find the radius of the circle. (Round your answer to two decimal places.)
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Algebra.Com's Answer #744584 by ikleyn(52800)\"\" \"About 
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document.write( "First,  S = \"r%2Atheta\" :  the arc length is the radius times the central angle measure in radians.\r\n" );
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document.write( "Second,  150 degrees = \"%285%2F6%29pi\" radian.\r\n" );
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document.write( "Therefore,  R = \"S%2Ftheta\" = \"5%2F%28%285%2F6%29pi%29\" = \"%285%2A6%29%2F%285%2Api%29\" = \"6%2Fpi\" = \"6%2F3.14\" = 1.91 kilometer.   ANSWER\r\n" );
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