Вариант 17 ИДЗ 3.2

DHS - 3.2
No. 1.17. The vertices of ABC are given: A (4; 1); B (–3; –1); C (7; –3). 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; f) distance from point C to straight line AB.
No. 2.17. Given a triangle with vertices A (3; 1); B (–3; –1) and C (5; –12). Find: equation and calculate the length of its median; conducted from the top of S.