document.write( "Question 307852: One angle of a triangle is 20 degrees. The second angle’s measurement is four times the third. What is the measure of the third angle? HOW I SOLVE THIS? \n" ); document.write( "
Algebra.Com's Answer #220166 by mananth(16946)![]() ![]() You can put this solution on YOUR website! One angle of a triangle is 20 degrees. The second angle’s measurement is four times the third. What is the measure of the third angle? HOW I SOLVE THIS?\r \n" ); document.write( "\n" ); document.write( "one angle is 20 degrees\r \n" ); document.write( "\n" ); document.write( "Let the third angle be x deg.\r \n" ); document.write( "\n" ); document.write( "The second angle will be 4x deg\r \n" ); document.write( "\n" ); document.write( "The first angle = 20 deg\r \n" ); document.write( "\n" ); document.write( "sum os angle s = 180 deg\r \n" ); document.write( "\n" ); document.write( "x+4x+20 =180\r \n" ); document.write( "\n" ); document.write( "5x+20 =180 \n" ); document.write( "5x=160 \n" ); document.write( "x= 32 degrees. This is the third angle \n" ); document.write( " |