Option 20 DHS 3.2
Content: 3.2v20.pdf (53.81 KB)
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DHS - 3.2
№1.20. Vertices ∆АВС are given: А (–7; –2); B (–7; 4); C (5; –5). 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.
№2.20. The equations of the sides of a quadrilateral are given: x - y = 0; x + 3y = 0; x - y - 4 = 0; 3x + y - 12 = 0. Find the equations of its diagonals.
№1.20. Vertices ∆АВС are given: А (–7; –2); B (–7; 4); C (5; –5). 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.
№2.20. The equations of the sides of a quadrilateral are given: x - y = 0; x + 3y = 0; x - y - 4 = 0; 3x + y - 12 = 0. Find the equations of its diagonals.
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