document.write( "Question 631521: the sum of the measures of two obtuse angles is 215,the sum of 3/5 of the supplement of the smaller angle and 2/3 the supplement of larger angle is 91. find the measure of the angles. \n" ); document.write( "
Algebra.Com's Answer #397695 by MathTherapy(10557) You can put this solution on YOUR website! \r \n" ); document.write( "\n" ); document.write( "the sum of the measures of two obtuse angles is 215,the sum of 3/5 of the supplement of the smaller angle and 2/3 the supplement of larger angle is 91. find the measure of the angles.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let larger angle be L, and smaller S \n" ); document.write( "Then: L + S = 215 ---- L = 215 S ------ eq (i) \n" ); document.write( "Supplement of the larger angle = 180 L \n" ); document.write( "Supplement of the smaller angle = 180 S\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3(540 3S) + 5(360 2L) = 1,365 ------ Multiplying by LCD, 15 \n" ); document.write( "1,620 9S + 1,800 10L = 1,365 \n" ); document.write( " 10L 9S = - 2,055 ------ eq (ii) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- 10(215 S) 9S = - 2,055 ------- Substituting 215 S for L in eq (ii) \n" ); document.write( " 2,150 + 10S 9S = - 2,055 \n" ); document.write( "S = - 2,055 + 2,150 \n" ); document.write( "S, or smaller angle = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "L = 215 95 ------ Substituting 95 for S in eq (i)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "L, or larger angle = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and thank-yous to D at MathMadEzy@aol.com \n" ); document.write( " |