CBSE Class 11-commerce Maths Straight Lines
Basic Concepts of 2D Geometry
Distance between two points in the Cartesian plane. Section formula for internal /external division. Area of a triangle when given its vertices.Slope of a Line
Slope of a line and Condition for parallelism and perpendicularity of lines. Angle between two lines.Various Forms of Equation of A Line
Horizontal and vertical lines. Various forms of equation of straight lines: slope intercept form, two point form; intercept form, point slope form.Distance Between Lines
Distance of a point from a line, Distance between two parallel linesShifting of Origin
Shifting of origin
