document.write( "Question 389170: Generate a proof for this:\r
\n" ); document.write( "\n" ); document.write( "If two angles are both equal in measures and supplementary, then each angle measures 90 degrees.
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Algebra.Com's Answer #275711 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
It's fairly straightforward.\r
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\n" ); document.write( "\n" ); document.write( "The angles are equal so suppose the measures are x and x. They are supplementary, so their sum is 180 degrees. Therefore x + x = 180 --> x = 90 degrees.
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