document.write( "Question 810762: Assume that DABC below is an equilateral triangle. If CD^(perpendicular) AB and CD = 6, what is the area of DABC?\r
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Algebra.Com's Answer #488415 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "        AB = AC\r\n" );
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document.write( "        AB = 2AD\r\n" );
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document.write( "      Area = \"1%2F2\"AB·CD = \"1%2F2\"AB·6 = 3AB = 3(2AD) = 6AD\r\n" );
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document.write( "      Area = 6AD\r\n" );
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document.write( " ADČ + CDČ = ACČ = ABČ = (2AD)Č = 4ADČ\r\n" );
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document.write( " ADČ + CDČ = 4ADČ\r\n" );
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document.write( "       CDČ = 3ADČ\r\n" );
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document.write( "        6Č = 3ADČ\r\n" );
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document.write( "        36 = 3ADČ\r\n" );
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document.write( "        12 = ADČ\r\n" );
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document.write( "       √12 = AD\r\n" );
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document.write( "      √4·3 = AD\r\n" );
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document.write( "       2√3 = AD\r\n" );
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document.write( "Area = 6AD = 6(2√3) = 12√3\r\n" );
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document.write( "Edwin
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