Question 473070
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Hi,
Note: D = {{{sqrt ((x[1]-x[2])^2+(y[1]-y[2])^2))}}}
1) ( 6,4), 
   (-8,11)    D ={{{sqrt( (14)^2 + (-7)^2) = sqrt(245)}}}

2) (-5 ,8), 
   (-10,14)       D ={{{sqrt( (5)^2 + (-6)^2) = sqrt(61)}}}