document.write( "Question 1157698: In ΔRST, angle R = 140° and side s = (3/4)r. Find the measures of angles S and T. \n" ); document.write( "
Algebra.Com's Answer #783299 by MowMow(42)![]() ![]() You can put this solution on YOUR website! Using the Law of Sines\r \n" ); document.write( "\n" ); document.write( "r/SinR = s/SinS \n" ); document.write( "r/Sin140 = 2/SinS = (3/4)r/SinS \n" ); document.write( "the r's cancel, \n" ); document.write( "so 1/Sin140 =(3/4)/SinS \n" ); document.write( "SinS = (3/4)SinR = (3/4)Sin140 = 0.4821 \n" ); document.write( "S = arcSin(0.4821) \n" ); document.write( "S = 11.2 degrees \n" ); document.write( "T = 180 - 140 - 28.8 \n" ); document.write( "T = 11.2 degrees \n" ); document.write( " |