document.write( "Question 1014207: Diagonal of parallelograms ABCD intersect at O. If AO=2x+4, OB=6+3y, OC=15-y, and OD=x+4, find AC and BD. \n" ); document.write( "

Algebra.Com's Answer #630609 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "Use the fact that the diagonals of a parallelogram bisect each other at the intersection point.\r\n" );
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document.write( "Make a sketch.\r\n" );
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document.write( "Write the equations according to the conditions.\r\n" );
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document.write( "Solve them for x.\r\n" );
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document.write( "Then calculate the halves of diagonals according to the condition expressions.\r\n" );
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document.write( "Then find the diagonals lengths.\r\n" );
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document.write( "It is so easy . . . \r\n" );
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