Вариант 28 ИДЗ 3.2

№ 1.28. Vertices ∆АВС are given: А (1; –3); B (0; 7); C (–2; 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.
No. 2.28. Write the equations of straight lines passing through point A (–1; 1) at an angle of 45 to the straight line 2x + 3y = 6.