document.write( "Question 885497: show that (-3, 1), (3, -1) and (1, 3) are the vertices of an isosceles triangle. find its area \n" ); document.write( "
Algebra.Com's Answer #535205 by mananth(16946)\"\" \"About 
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A(-3, 1), B(3, -1) and C(1, 3)\r
\n" ); document.write( "\n" ); document.write( "any two sides must be equal \r
\n" ); document.write( "\n" ); document.write( "Find AB, BC,CA\r
\n" ); document.write( "\n" ); document.write( "L(AB) =
\n" ); document.write( "Distance between two points
\n" ); document.write( "x1 y1 x2 y2
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\n" ); document.write( "-3 1 3 -1
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%09-1%09-%091%09%29%5E2%09%2B%09%28%093%09-%09-3%09%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%09-2%09%29%5E2%09%2B%09%28%096%09%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%0940%09%29++%09%29\"
\n" ); document.write( "d= 6.32
\n" ); document.write( "L(BC)
\n" ); document.write( "Distance between two points
\n" ); document.write( "x1 y1 x2 y2
\n" ); document.write( "
\n" ); document.write( "3 -1 1 3
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%093%09-%09-1%09%29%5E2%09%2B%09%28%091%09-%093%09%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%094%09%29%5E2%09%2B%09%28%09-2%09%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%0920%09%29++%09%29\"
\n" ); document.write( "d= 4.47
\n" ); document.write( "l(CA)
\n" ); document.write( "Distance between two points
\n" ); document.write( "x1 y1 x2 y2
\n" ); document.write( "
\n" ); document.write( "-3 1 1 3
\n" ); document.write( "d= \"sqrt%28%28y2-y1%29%5E2%2B%28x2-x1%29%5E2%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%093%09-%091%09%29%5E2%09%2B%09%28%091%09-%09-3%09%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%092%09%29%5E2%09%2B%09%28%094%09%29%5E2%09%29\"
\n" ); document.write( "d= \"sqrt%28%28%09%0920%09%29++%09%29\"
\n" ); document.write( "d= 4.47 \r
\n" ); document.write( "\n" ); document.write( "CA=BC
\n" ); document.write( "so it is an isosceles triangle
\n" ); document.write( "m.ananth@hotmail.ca
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