Question 724248
the points a(1,2),b(2,3) and c(3,1) are the vertices of a triangle. find [ab],[bc] and [ac]
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Use Pythagoras
For AB:
{{{s = sqrt(diffy^2 + diffx^2) = sqrt(1 + 1)}}}
{{{AB = sqrt(2)}}}
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Do the other 2 the same way.