document.write( "Question 203489: A. Find the supplementary angle of 34 \r
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document.write( "A. 146 B. 56 C. 34 D. 68\r
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document.write( "(2 pts) B. ABC and PQR are supplementary angles and ABC is eleven times as large as PQR. Determine the measure of each angle.\r
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Algebra.Com's Answer #153538 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! Supplementary angles add up to 180 degrees. \n" ); document.write( " \n" ); document.write( "--------------------------- \n" ); document.write( "ABC + PQR = 180 degrees. The angles are supplementary. \n" ); document.write( "ABC = 11*(PQR) Substitute this into the first equation. \n" ); document.write( "11*(PQR)+PQR = 180 \n" ); document.write( "12*(PQR) = 180 Divide both sides by 12. \n" ); document.write( "PQR = 15 degrees. \n" ); document.write( "ABC = 11*(PQR) \n" ); document.write( "ABC = 11*(15) \n" ); document.write( "ABC = 165 degrees. \n" ); document.write( " |