document.write( "Question 1045516: ABCD is a rectangle such that AD = 2AB and the diagonal AC = root5 d the the perimeter of rectangle ABCD=? \n" ); document.write( "

Algebra.Com's Answer #661100 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "ABCD is a rectangle such that AD = 2AB and the diagonal AC = root5 d the the perimeter of rectangle ABCD=?
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document.write( "We know AB=CD.\r\n" );
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document.write( "AC=BD=.\r\n" );
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document.write( "Perimeter=.\r\n" );
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document.write( "Let =.  Then =.\r\n" );
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document.write( "You have right angle triangle\r\n" );
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document.write( " +  = ,\r\n" );
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document.write( "=,\r\n" );
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document.write( "x = 1.\r\n" );
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document.write( "Then AB = 1, AD = 2, and the perimeter = 1 + 2 + 1 + 2 = 6 units.\r\n" );
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document.write( "Answer.  The perimeter is 6 units.\r\n" );
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