document.write( "Question 1010065: one angle of a triangle is 3 times as large as another the third angle is twice the sum of the first 2 angles what is the measure of the largest angle \n" ); document.write( "
Algebra.Com's Answer #625525 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! one angle of a triangle is 3 times as large as another the third angle is twice the sum of the first 2 angles what is the measure of the largest angle \n" ); document.write( "---------- \n" ); document.write( "The sum of the 3 angles of any triangles = 180 degs \n" ); document.write( "--- \n" ); document.write( "a+b+c = 180 \n" ); document.write( "a = 3b \n" ); document.write( "c = 2*(a+b) \n" ); document.write( "------- \n" ); document.write( "Sub for a \n" ); document.write( "-- \n" ); document.write( "3b+b+c = 180 \n" ); document.write( "c = 2*(3b+b) = 8b \n" ); document.write( "--- \n" ); document.write( "4b + c = 180 \n" ); document.write( "c = 8b \n" ); document.write( "-- \n" ); document.write( "Sub for c \n" ); document.write( "4b + 8b = 180 \n" ); document.write( "b = 15 degs \n" ); document.write( "--------------------------- \n" ); document.write( "c = 8b \n" ); document.write( "c = 120 degs \n" ); document.write( "--------------------------- \n" ); document.write( "a = 3b \n" ); document.write( "a = 45 degs \n" ); document.write( " \n" ); document.write( " |