document.write( "Question 1014091: In a circle of radius 5 cm, a sector has a central angle 2 rad.
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Algebra.Com's Answer #630457 by ikleyn(52814)\"\" \"About 
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\n" ); document.write( "In a circle of radius 5 cm, a sector has a central angle 2 rad.
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document.write( "a. Arc length is  L = \"r%2Aalpha\" = 2*5 cm = 10 cm,\r\n" );
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document.write( "   where \"alpha\" is the central angle measure in radians.\r\n" );
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document.write( "b. The area of the sector is  S = \"%28r%5E2%2Aalpha%29%2F2\" = \"%2825%2A2%29%2F2\" = 25 \"cm%5E2\".\r\n" );
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document.write( "   See the lesson Area of a sector in this site.\r\n" );
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