document.write( "Question 66425: two vertices of an octagon lie at (2, -2) and (11,10).
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document.write( "find the perimeter of the octagon. \n" );
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Algebra.Com's Answer #47117 by uma(370)![]() ![]() ![]() You can put this solution on YOUR website! Let us consider the two vertices to be the consecutive ones.\r \n" ); document.write( "\n" ); document.write( "(2, -2), (11, - 10)\r \n" ); document.write( "\n" ); document.write( "Distance between these points = sqrt[(11-2)^2 + (-10 -2)^2]\r \n" ); document.write( "\n" ); document.write( " = sqrt[9^2 + 12^2] \n" ); document.write( " = sqrt[81 + 144] \n" ); document.write( " = sqrt[225] \n" ); document.write( " = 15\r \n" ); document.write( "\n" ); document.write( "==> the length of 1 side of the octagon measures 15 units.\r \n" ); document.write( "\n" ); document.write( "Thus the perimeter = 15 * 8 \n" ); document.write( " = 120 units\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Good Luck!!! \n" ); document.write( " |