document.write( "Question 228112: Two angles of a triangle are 20° and 50°. What is the measure of the third angle? \n" ); document.write( "
Algebra.Com's Answer #169430 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Two angles of a triangle are 20° and 50°. What is the measure of the third angle? \n" ); document.write( ". \n" ); document.write( "Remember, the sum of the three interior angles of any triangle equals 180 degrees. \n" ); document.write( ". \n" ); document.write( "Let x = measure of third angle \n" ); document.write( "then \n" ); document.write( "20+50+x = 180 \n" ); document.write( "70+x = 180 \n" ); document.write( "x = 110 degrees \n" ); document.write( " \n" ); document.write( " |