document.write( "Question 1169593: Two semicircular areas, adjacent to a rectangular area in the school gym, are to be painted. If the length of the rectangular area is 40 m and its perimeter is 120 m, what is the total painted area?\r
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Algebra.Com's Answer #794377 by ikleyn(52795)\"\" \"About 
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document.write( "Two semicircle areas together comprise the entire circle,\r\n" );
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document.write( "and its diameter is equal to the width of the gym, i.e.\r\n" );
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document.write( "     \"%28120-2%2A40%29%2F2\" = \"%28120-80%29%2F2\" = \"40%2F2\" = 20 meters.\r\n" );
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document.write( "So, all you need is to find the area of a circle having the radius of 10 meters.\r\n" );
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document.write( "It is  \"100pi\" square meters.    ANSWER\r\n" );
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