DHS - 3.2
№1.30. The vertices ΔABC are given: A (2; 5); B (–3; 1); C (0; 4). Find: a) Equation side AB; b) Equation of height CH; c) the median AM equation; d) the intersection point N of the median AM and the height of the SN; e) the equation of a straight line passing through the vertex C and parallel to the side AB; e) distance from point C to straight line AB.
№2.30. The equations of two sides of the parallelogram x are given - 2y = 0; x - y - 1 = 0 and the intersection point of its diagonals M (3; –1). Find the equations of the two other sides.