document.write( "Question 366711: in a triangle ABC,angle B is 4 times angle A and angle C is 15 less than 5 times angle A. \n" ); document.write( "
Algebra.Com's Answer #261394 by edjones(8007)![]() ![]() You can put this solution on YOUR website! b=4a \n" ); document.write( "c=5a-15 \n" ); document.write( ". \n" ); document.write( "a+4a+5a-15=180 \n" ); document.write( "10a=195 \n" ); document.write( "a=19.5 deg \n" ); document.write( "b=78 deg \n" ); document.write( "c=82.5 deg \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |