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

  1.3 A (1, 7) B (-3, -1) C (11 -3)

2. Solve the following problems.
  2.3 Given two vertices of the triangle ABC: A (-4, 4), B (4, -12) and a point M (4; 2) the intersection height. Find top C.

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