document.write( "Question 1009713: Given: E is the midpoint of line segment AC and line segment BD
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Algebra.Com's Answer #625172 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "If in a quadrilateral the two diagonals bisect each other,  then the quadrilateral is a parallelogram.\r
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\n" ); document.write( "\n" ); document.write( "This is Theorem 2 from the lesson Properties of diagonals of parallelograms in this site.\r
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