AB = sqrt(16^2 + 8^2) = 5sqrt(5)
AC = sqrt(8^2 + 4^2) = 4sqrt(5)
then CB = sqrt(5)
C divides AB in the ratio of 4:1
given the points A (-4 ,3) B (12 ,11) and C (4,7) .point c divides AB into what ratio?
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