Condition of parallel and perpendicular lines

Condition of line to be parallel perpendicular and intersecting

Normal Form OF Line||Angle Between Line || Parallel and Perpendicular Lines

Find the slope of the line parallel and perpendicular to the line passing through (6,3) & (-4,5)

Line Perpendicular to a line

Examine whether the line joining (8, 2) and (-5, 3) is parallel to or perpendicular to or neither parallel nor perpendicular to the line joining (16, 6) and (3, 15)

A fixed point is at a perpendicular distance a from a fixed straight line and a point moves so that its distance from the fixed point is always equal to its distance from the fixed line.Find the equation to its locus,the axes of coordinates being drawn through the fixed point and being parallel and perpendicular to the given line.

Parallel || Perpendicular Axis Theorem

Find the equations of the straight lines which pass through (4,3) and are respectively parallel and perpendicular to the x -axis.