DHS - 3.2
No. 1.14. The vertices ∆ABC are given: A (4; –4); B (6; 2); C (–1; 8). 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.
No. 2.14. Find the equation of the heights of the triangle ABC, passing through the vertices A and B; if A (–4; 2); B (3; –5); C (5; 0).