document.write( "Question 759279: ABCD is a parallelogram and BD is a diagonal.prove that triangles ABD and CDB are congruent \n" ); document.write( "
Algebra.Com's Answer #462856 by lordshubham(4)\"\" \"About 
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\n" ); document.write( "1.AD=BC .............................Opposite Sides of parallelogram
\n" ); document.write( "2.AB=DC .............................. Opposite Sides of parallelogram
\n" ); document.write( "3.BD=DB ................................ Common Side
\n" ); document.write( "4.∴ △ABD≅△CDB........................BY SSS Congruence Test
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