gistfile1.txt

def avegare_distance x1, y1, x2, y2, x3, y3
  distance_1_2 = Math.sqrt(4)
  distance_1_2 = Math.sqrt(((x1-y2)**2)+((y1-y2)**2))
  distance_2_3 = Math.sqrt(((x2-y3)**2)+((y2-y3)**2))
  distance_1_3 = Math.sqrt(((x1-y3)**2)+((y1-y3)**2))

  (distance_1_2+distance_2_3+distance_1_3)/3
end