document.write( "Question 96614This question is from textbook Geometry
\n" ); document.write( ": angle C and angle D are supplementary. The measure of angle D is eight times the measure of angle C. Find the measure of angle C and angle D. \n" ); document.write( "
Algebra.Com's Answer #70317 by tutorcecilia(2152)\"\" \"About 
You can put this solution on YOUR website!
Supplementary angles equal 180 degrees.
\n" ); document.write( "Angle C + Angle D =180 degrees
\n" ); document.write( "C + 8C=180
\n" ); document.write( "9C=180
\n" ); document.write( "9C/9=180/9
\n" ); document.write( "X=20
\n" ); document.write( "So,
\n" ); document.write( "D=9C=(8)(20)=160
\n" ); document.write( ".
\n" ); document.write( "C + D = 180
\n" ); document.write( "20 + 160 = 180
\n" ); document.write( "
\n" ); document.write( "
\n" );