DHS - 3.2
№1.20. Dana tops ΔAVS: A (-7, -2); In (-7, 4); C. (5, -5). Find: a) The equation of the side AB; b) The equation of height CH; c) The median equation AM; g) point N crossing the median AM and height CH; e) The equation of the line passing through the vertex C and parallel to the side AB; e) The distance from the point C to the line AB.
№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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