document.write( "Question 1094458: Given: AC=BD and AB and CD bisect each other. Prove: angle A = angle B \n" ); document.write( "

Algebra.Com's Answer #709032 by ikleyn(52803) $\"\"$ $\"About$

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\n" ); document.write( "The wording form of this statement is this Theorem:\r
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document.write( "    If in a quadrilateral two diagonals bisect each other,  then the quadrilateral is a parallelogram. \r\n" );
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\n" ); document.write( "\n" ); document.write( "It was proved in the lesson\r
\n" ); document.write( "\n" ); document.write( " - Properties of diagonals of parallelograms \r
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