IDZ 3.2 - Option 6. Decisions Ryabushko AP

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

  1.6 A (-2, -3) B (1, 6) C (6: 1)

2. Solve the following problems.
  2.6 Prove that the quadrilateral ABCD - trapezoid, when A (3, 6), B (5, 2), C (-1, -3), D (-5, 5)