document.write( "Question 977524: The sum of the measures of the angles of any quadrilateral is 360°. The measures of ∠A and ∠B are the same. The measure of ∠C is 17° greater than the measure of ∠A, and the measure of ∠D is 37° less than ∠B. Find the measure of ∠A, ∠B, ∠C, and ∠D. \n" ); document.write( "
Algebra.Com's Answer #599061 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That is the system. Do you need more help? \n" ); document.write( "-Yes!-\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Try to use the first equation to eliminate A. \n" ); document.write( " \n" ); document.write( "- \n" ); document.write( " \n" ); document.write( "and notice how two of these equations are in terms of just B... \n" ); document.write( "substitute for them in the \"360\" equation: \n" ); document.write( " \n" ); document.write( "Work with this to solve for the value of B. \n" ); document.write( "Do what you know you need to finish. \n" ); document.write( " |