document.write( "Question 173256: in triangle abc, the measure of angle abc = 40 and the measure of angle b =111 find c \n" ); document.write( "
Algebra.Com's Answer #128088 by nerdybill(7384)\"\" \"About 
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The sum of the three interior angles of any triangle equals 180 degrees.
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\n" ); document.write( "Therefore,
\n" ); document.write( "c + 40 + 111 = 180
\n" ); document.write( "c + 151 = 180
\n" ); document.write( "c = 29 degrees
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