document.write( "Question 1192419: Prove that if two intersecting line segments meet at their midpoints, the line
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Algebra.Com's Answer #849026 by Edwin McCravy(20056)\"\" \"About 
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document.write( "Given: O is the midpoint of XY and of AB\r\n" );
document.write( "Prove: XA ≅ BY\r\n" );
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document.write( "1. XO ≅ YO       |1. O is the midpoint of XY\r\n" );
document.write( "2. ∠XOA ≅ ∠YOB   |2. vertical angles are congruent   \r\n" );
document.write( "3. AO ≅ BO       |3. O is the midpoint of AB\r\n" );
document.write( "4. ΔXOA ≅ ΔYOB   |4. side-angle-side    \r\n" );
document.write( "5. XA ≅ BY       |5. corresponding parts of congruent triangles\r\n" );
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document.write( "Edwin
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