DHS - 3.2
№1.7. The vertices ∆АВС are given: А (–4; 2); B (–6; 6); C (6; 2). 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) the distance from point C to line AB.
№2.7. Write the equation of the line passing through point A (3; 1) perpendicular to the line BC; if B (2; 5); C (1; 0).