document.write( "Question 802422: How do make the reasons and statements to this proof
\n" ); document.write( "Given: line 1intersects line 2 ; angle 1 and angle 2 are a linear pair ; angle 2 and angle 3 are a linear pair
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Algebra.Com's Answer #483870 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "The sum of the measures of 1 and 2 is 180 by defn of linear pair. The sum of 2 and 3 is 180 by defn linear pair. So m1 + m2 = m2 + m3 by reflexive equality and substitution. Add -m2 to both sides: Addition property of equality.
\n" ); document.write( "m1 = m3 by algebra. Q.E.D. \r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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