document.write( "Question 601237: determine if DEF with vertices D(6,-6), E(39,-12), and F(24,18) is
\n" ); document.write( "scalene, isosceles, or equilateral.\r
\n" ); document.write( "\n" ); document.write( "i tried really hard to figure this out but im not sure if my answer is correct?
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Algebra.Com's Answer #379653 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
Find the distance between DE, EF, Df . Then decide the type of triangle\r
\n" ); document.write( "\n" ); document.write( "Use distance formula
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\n" ); document.write( "Distance between two points
\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "6 -6 39 -12
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d=\"sqrt%28%28-12-%28-6%29%29%5E2%2B%2839%09-6%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28-6%29%5E2%2B%2833%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%281125%29%29\"
\n" ); document.write( "l(DE)= 33.54 \r
\n" ); document.write( "\n" ); document.write( "l(EF)\r
\n" ); document.write( "\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "39 -12 24 18
\n" ); document.write( "d=\"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d=\"sqrt%28%2818-%28-12%29%29%5E2%2B%2824%09-39%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%2830%29%5E2%2B%28-15%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%281125%29++%09%29\"
\n" ); document.write( "d= 33.54 \r
\n" ); document.write( "\n" ); document.write( "l(EF)
\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "24 18 6 -6
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d=\"sqrt%28%28-6%28-18%29%29%5E2%2B%286%09-24%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%28-24%29%5E2%2B%28%09-18%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28900%29%29\"
\n" ); document.write( "d= 30.00 \r
\n" ); document.write( "\n" ); document.write( "Two sides are equal hence aisoscles triangle
\n" ); document.write( "m.ananth@hotmail.ca
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