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

Condition of parallel and perpendicular lines

Angle between Lines and Planes

Angle between two lines

Line Perpendicular to a line

Angle between line and plane

Angle Between Line and Various Forms OF Equation OF Lines

Angle between line || Various forms OF equation OF lines

Condition of line to be parallel perpendicular and intersecting

Family OF planes || Angle Between Line and Plane || Straight Line (Various Form, Unsymmetrical Form,Important Point and illustration)

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