document.write( "Question 575618: Angle a and angle b are supplementary and equal. How many degrees does angle a measure? \n" ); document.write( "
Algebra.Com's Answer #369553 by JBarnum(2146)![]() ![]() You can put this solution on YOUR website! angle a = angle b \n" ); document.write( "angle a + angle b = 180 \n" ); document.write( "angle a + angle a = 180 \n" ); document.write( "2 times angle a = 180 \n" ); document.write( "angle a = 180/2 \n" ); document.write( "angle a = 90 \n" ); document.write( " |