document.write( "Question 345195: the sum of the angles is 180 degrees. in triangle ABC angle A if four times as large as angle b. angle measures 20 degress less than angle b. what is each angle \n" ); document.write( "
Algebra.Com's Answer #246891 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! i'LL ASSUME THAT [C] IS 20 DEGREES LESS THAN B. \n" ); document.write( "A+B+C=180 \n" ); document.write( "A=4B \n" ); document.write( "C=B-20 \n" ); document.write( "4B+B+(B-20)=180 \n" ); document.write( "6B=180+20 \n" ); document.write( "6B=200 \n" ); document.write( "B=200/6 \n" ); document.write( "B=33.33 ANS. \n" ); document.write( "A=4*33.33=133.33 ANS. \n" ); document.write( "C=33.33-20=13.33 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "133.33+33.33+13.33=180 \n" ); document.write( "180~180 \n" ); document.write( " |