document.write( "Question 1114233: Find the area of the figure. Round to the nearest tenth if necessary.\r
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document.write( "L(3,6), M(7,3), N(6,-1), J(2,-1), K(3,3)\r
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document.write( "TYSM in advance! \n" );
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Algebra.Com's Answer #729223 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Find the area of the figure. Round to the nearest tenth if necessary.\r \n" ); document.write( "\n" ); document.write( "L(3,6), M(7,3), N(6,-1), J(2,-1), K(3,3) \n" ); document.write( "===================== \n" ); document.write( "Use this method: \n" ); document.write( "------ \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "L M N J K L\r\n" ); document.write( "3 7 6 2 3 3\r\n" ); document.write( "6 3 -1 -1 2 6\r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( "Add the diagonal products starting at the upper left. \n" ); document.write( "3*3 + 7*-1 + 6*-1 + 2*2 + 3*6 = 9-7-6+4+18 = 18 \n" ); document.write( "--- \n" ); document.write( "Add the diagonal products starting at the lower left. \n" ); document.write( "6*7 + 3*6 + -1*2 + -1*3 + 2*3 = 42+9-2-3+6 = 52 \n" ); document.write( "----- \n" ); document.write( "The difference = 52-18 = 34 \n" ); document.write( "The area is 1/2 that \n" ); document.write( "Area = 17 sq units. \n" ); document.write( "=============== \n" ); document.write( "This works for any polygon. \n" ); document.write( "The points have to be in order around the polygon is the only restriction.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |