document.write( "Question 184487: 6.
\n" );
document.write( "In a triangle, the sum of the interior angles is 180 degrees. If angle A is three times as large as angle B, and angles B and C sum to 90 degrees, what is the measure of each angle?
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #138475 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! A=3B GIVEN \n" ); document.write( "A+B=90 \n" ); document.write( "REPLACE A WITH (3B) & SOLVE FOR B. \n" ); document.write( "3B+B=90 \n" ); document.write( "4B=90 \n" ); document.write( "B=90/4 \n" ); document.write( "B=2.5 ANS. \n" ); document.write( "A=3*22.5 \n" ); document.write( "A=67.5 ANS. \n" ); document.write( "PROOF: \n" ); document.write( "22.5+67.5=90 \n" ); document.write( "90=90 \n" ); document.write( " \n" ); document.write( " |