document.write( "Question 210571: Angle C and Angle D are supplementary. Angle D is four times the measure of Angle C. Find the measure of Angle D and C.
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Algebra.Com's Answer #159116 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Angle C and Angle D are supplementary. Angle D is four times the measure of Angle C. Find the measure of Angle D and C. \n" ); document.write( "-------------------------------------------------- \n" ); document.write( "C + D = 180 \n" ); document.write( "D = 4C \n" ); document.write( "----------------- \n" ); document.write( "Substitute for D to solve for C. \n" ); document.write( "----- \n" ); document.write( "C + 4C = 180 \n" ); document.write( "5C = 180 \n" ); document.write( "C = 36 degrees \n" ); document.write( "D = 180-36 = 144 degrees \n" ); document.write( "==================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |