Question 74067
Plot the points.
Draw the lines joining corresponding points.
Use Pythagoras to get the distances; add them
Ex:
From (1,0) to (0,1) 
d = sqrt(1^2 + 1^2) = sqrt2
From (2,0) to (0,2) 
d = sqrt(2^2 + 2^2) = 2sqrt2
etc.
Cheers,
Stan Hl.