document.write( "Question 19483: a trinangle has a 121 angle and a 5 degree angle . what is the measure of the 3rd angle? \n" ); document.write( "
Algebra.Com's Answer #9406 by xcentaur(357)![]() ![]() ![]() You can put this solution on YOUR website! angles of a triangle always sum up tp 180 degrees\r \n" ); document.write( "\n" ); document.write( "so let the remaining angle be x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "then we get\r \n" ); document.write( "\n" ); document.write( "121+5+x=180 \n" ); document.write( "126+x=180 \n" ); document.write( "x=180-126=54 degrees \n" ); document.write( "
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