document.write( "Question 243994: a triangle has a 13 degree angle and a 65 degree angle. what is the measure of the third angle. \n" ); document.write( "
Algebra.Com's Answer #178616 by kamaldas(6)![]() ![]() ![]() You can put this solution on YOUR website! Sum of 3 angles of a triangle =180 degrees \n" ); document.write( "Let the third angle be x degrees \n" ); document.write( "13+65+x =180 \n" ); document.write( "78+x=180 \n" ); document.write( "x=180-78 \n" ); document.write( "x=102 \n" ); document.write( "The third angle is 102 degrees. \r \n" ); document.write( "\n" ); document.write( "Contact me for online classes on math for any grade/ test. \n" ); document.write( " |