document.write( "Question 1176078: A parallelogram has vertices (5,0), (3,-3), (-4,-3) and (-2,0). The diagonals of the parallelogram intersect at their mid points. What are the coordinates of the intersection of the diagonals \n" ); document.write( "

Algebra.Com's Answer #802115 by ikleyn(52781) $\"\"$ $\"About$

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H I N T

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document.write( "If a segment  PQ  in a coordinate plane is given by coordinates of  its  endpoints\r\n" );
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document.write( "    P = (a,b)  and  Q = (c,d),\r\n" );
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document.write( "then the mid point is  M = (,).\r\n" );
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document.write( "So , the simple rule works:\r\n" );
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document.write( "    - x-coordinate of the mid point is arithmetic mean of the x-coordinates of endpoints\r\n" );
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document.write( "    - and similar rule works for y-coordinate.\r\n" );
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