The perpendicular line segment passing through P is then the projection of l2 onto l1 minus l2. 5. Use the line segment to define a line through point P.<BR><BR>If you want I can provide more detail, ...

Practise these constructions until you can do them without looking at the instructions. Follow the instructions and draw this perpendicular bisector of a line segment construction. Without changing ...

Remember that to find the equation of a straight line you need to know its gradient and a point on the line. In some instances you are told the value of the gradient, however there are times where you ...