DHS - 3.2
№1.23. Vertices of ∆ABC are given: A (–3; –1); B (–4; –5); C (8; 1). 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.
№2.23. Write the equation of a straight line passing through point A (–2; 3) and making up the angle with the Ox axis: a) 450; b) 900; c) 00.