document.write( "Question 990491: Given: Ray OB bisects segment EF
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Algebra.Com's Answer #610738 by farohw(175)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Given: Ray OB bisects segment EF\r
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\n" ); document.write( "\n" ); document.write( "Prove: 2(EO) = EF\r
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\n" ); document.write( "\n" ); document.write( "Ray OB bisects segment EF (given)\r
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\n" ); document.write( "\n" ); document.write( "EO = OF (segment bisector contains midpoint (O) of the segment)\r
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\n" ); document.write( "\n" ); document.write( "EO + OF = EF (segment addition postulate, AB + BC = AC)\r
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\n" ); document.write( "\n" ); document.write( "EO + EO = EF (Substitution *EO = OF or OF = EO)\r
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\n" ); document.write( "\n" ); document.write( "2(EO) = EF (Simplify by means of addition)\r
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