document.write( "Question 279791: Find (if possible) the supplement of 123 degrees \n" ); document.write( "
Algebra.Com's Answer #203387 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "First let's learn what two supplementary angles are:\r\n" );
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document.write( "The straight angle indicated by the green arc is 180°.\r\n" );
document.write( "The angle indicated by the blue arc is 123°, the given\r\n" );
document.write( "angle.  The angle indicated by the red arc is the angle\r\n" );
document.write( "we wish to find, I have labeled it x° \r\n" );
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document.write( "So we see that \r\n" );
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document.write( "\"blue%28%22123%B0%22%29+%2B+red%28%22x%B0%22%29+=+green%28%22180%B0%22%29\"\r\n" );
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document.write( "or\r\n" );
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document.write( "\"red%28%22x%B0%22%29+=+green%28%22180%B0%22%29-blue%28%22123%B0%22%29\"\r\n" );
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document.write( "\"red%28%22x%B0%22%29+=+red%28%2257%B0%22%29\"\r\n" );
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document.write( "Edwin
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