ИДЗ 3.2 – Вариант 20. Решения Рябушко А.П.

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

  1.20 A (-7, -2) B (-7, 4) C (5, -5)

2. Solve the following problems.
  2.20 Given equation sides of the quadrilateral: x - y = 0, x + 3y = 0, x - y - 4 = 0, 3x + y - 12 = 0. Find the equation of the diagonals.

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