document.write( "Question 322005: The triangle with the vertices (1, 1), (4, 5), and (0, 2) is:\r
\n" ); document.write( "\n" ); document.write( "(A) A scalene triangle (B) An isosceles triangle (C) An equilateral triangle
\n" ); document.write( "(D) A right triangle (E) None of the above
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Algebra.Com's Answer #230499 by mananth(16946)\"\" \"About 
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(1, 1), (4, 5), and (0, 2)
\n" ); document.write( "distance between (1, 1), (4, 5),
\n" ); document.write( "=sqrt{(4-1)^2+(5-1)^2}
\n" ); document.write( "=sqrt{3^2+4^2}
\n" ); document.write( "=sqrt25
\n" ); document.write( "=5
\n" ); document.write( "distance between (4, 5), and (0, 2)
\n" ); document.write( "d=sqrt{(0-4)^2+(2-5)^2}
\n" ); document.write( "d=sqrt{16+9}
\n" ); document.write( "d=sqrt25
\n" ); document.write( "=5
\n" ); document.write( "distance between (0,2)(1,1)
\n" ); document.write( "d=sqrt{(1-0)^2+(1-2)^2}
\n" ); document.write( "d=sqrt{1+1)
\n" ); document.write( "d=sqrt2\r
\n" ); document.write( "\n" ); document.write( "two sides are equal.
\n" ); document.write( "so it is an isoscles triangle
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