document.write( "Question 298793: two angles of a triangle are 40 degrees and 62 degrees; what is the third angle's measure? \n" ); document.write( "
Algebra.Com's Answer #214873 by nyc_function(2741)\"\" \"About 
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The sum of the measures of the angles of a triangle is 180 degrees.\r
\n" ); document.write( "\n" ); document.write( "I will let A = your third angle.\r
\n" ); document.write( "\n" ); document.write( "A = 180 - (40 + 62)\r
\n" ); document.write( "\n" ); document.write( "A = 180 - 102\r
\n" ); document.write( "\n" ); document.write( "A = 78
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