1. Given the vertices of the triangle ABC: A (x1, y1), B (x2, y2), C (x3, y3). Search:
  a) side of the equation AB
  b) the height of the equation CH
  c) The median equation AM
  d) the point of intersection of the median N AM and height CH
  e) The equation of the line passing through the top with parallel sides AB
  e) the distance from the point C to the line AB

  1.29 A (-5, 1) B (8, -2) C (1, 4)

2. Solve the following problems.
  2.29 Given the equation height triangle ABC 2x - 3y + 1 = 0, x + 2y + 1 = 0 and the coordinates of its vertices A (2, 3). Find the equation of AB and AC of the triangle.

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