document.write( "Question 1116342: A tabletop in the shape of a trapezoid has an area of 5,715 square centimeters. Its longer base measures 115 centimeters, and the shorter base is 65 centimeters. What is the height?
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Algebra.Com's Answer #731245 by ikleyn(52810)\"\" \"About 
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document.write( "Area of a trapezoid (of any trapezoid) is equal to half the product of the sum of the bases times height:\r\n" );
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document.write( "A = \"%28%28a%2Bb%29%2F2%29%2Ah\"\r\n" );
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document.write( "5715 = \"%28%28115%2B65%29%2F2%29%2Ah\" = 90h.\r\n" );
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document.write( "=============================>  h = \"5715%2F90\" centimeters.\r\n" );
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