document.write( "Question 864715: PLEEEASE HEELP!! PLEASE! Show in two ways that the points (6,1) (2,-3) and (4,-5) are the vertices of a right triangle. \n" ); document.write( "

Algebra.Com's Answer #521215 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "(6,1) 
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document.write( "(2,-3)  m = 4/4 = 1   D = sqrt(32), D^2 = 32
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document.write( "(4,-5)  m = 2/-2 = -1  Lines perpendicular, right angle, d = sqrt(8), D^2 = 8
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document.write( "(6,1)  D = sqrt(36 + 4) = sqrt(40), D^2 = 40
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document.write( "   32 + 8 = 40
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