document.write( "Question 665167: Please help me solve : PQ = RS, Prove PR = QS \n" ); document.write( "

Algebra.Com's Answer #413701 by MathLover1(20849) $\"\"$ $\"About$

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- $\"P\"$ -------- $\"Q\"$ ------- $\"R\"$ --------- $\"S\"$ -\r
\n" ); document.write( "\n" ); document.write( "1. $\"PQ+=+RS\"$ .............................Given
\n" ); document.write( "2. $\"PQ+%2B+QR+=+QR+%2B+RS\"$ ...................Addition Postulate
\n" ); document.write( "3.
\n" ); document.write( " $\"PQ+%2B+QR+=+PR\"$ ;
\n" ); document.write( " $\"QR+%2B+RS+=+QS\"$ ..........Segment Addition
\n" ); document.write( "4. $\"PR+=+QS\"$ .............................Substitution) \n" ); document.write( "

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