document.write( "Question 431668: Two angles of a triangle are equal. The third angle of this triangle is twice as large as the sum of the first two angles. How long is each angle? \n" ); document.write( "
Algebra.Com's Answer #299514 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! Let's call the angles X,Y, and Z.\r \n" ); document.write( "\n" ); document.write( "angle X=angle Y \n" ); document.write( "angle Z=2(angle X+angle Y) \n" ); document.write( "angleX+angleX+2(2angleX)=180 \n" ); document.write( "6 angle X= 180 \n" ); document.write( "X=30 degrees \n" ); document.write( "Y=30 degrees \n" ); document.write( "Z=120 degrees \n" ); document.write( " |