document.write( "Question 1101640: Show that the point (2,-3), (5,0) (2,3), and (-1,0) are the vertices of a triangle and find its perimeter \n" ); document.write( "
Algebra.Com's Answer #716256 by ikleyn(52787)\"\" \"About 
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\n" ); document.write( "Four different points ?\r
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\n" ); document.write( "\n" ); document.write( "Are the vertices of a triangle ?\r
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\n" ); document.write( "\n" ); document.write( "Wake up . . . \r
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