document.write( "Question 930811: show the following points A(7,5) B(2,3) C(6,-7) are the vertices of a right triangle. \n" ); document.write( "
Algebra.Com's Answer #565318 by Alan3354(69443)\"\" \"About 
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show the following points A(7,5) B(2,3) C(6,-7) are the vertices of a right triangle.
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\n" ); document.write( "Find the slope of AB, BC and AC
\n" ); document.write( "If any 2 are negative reciprocals, it's a right triangle.
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