document.write( "Question 639795: find perimeter of triangle whose vertices are (4,10), (9,-4),(8,1) \n" ); document.write( "
Algebra.Com's Answer #402878 by mananth(16949)\"\" \"About 
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P(4,10), Q(9,-4),R(8,1)\r
\n" ); document.write( "\n" ); document.write( "Find the distance PQ, QR, RS\r
\n" ); document.write( "\n" ); document.write( "P(4,10), Q(9,-4)\r
\n" ); document.write( "\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "4 10 9 -4
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%28-4-10%09%29%5E2%2B%289-4%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28-14%29%5E2%09%2B%285%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%09221%09%29++%09%29\"
\n" ); document.write( "d(P,Q)= 14.87 \r
\n" ); document.write( "\n" ); document.write( " Q(9,-4),R(8,1)\r
\n" ); document.write( "\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "9 -4 8 1
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%281-%28-4%29%09%29%5E2%2B%288-9%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%285%29%5E2%2B%28-1%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%0926%09%29++%09%29\"
\n" ); document.write( "dQ,R)= 5.10 \r
\n" ); document.write( "\n" ); document.write( "RR(8,1),P(4,10)
\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "8 1 4 10
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%2810-1%29%5E2%2B%284-8%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%289%29%5E2%2B%28%09-4%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%0997%09%29++%09%29\"
\n" ); document.write( "d= 9.85
\n" ); document.write( "Add up all the three distances\r
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