Distance Of A Point From A Line

Given that,


and
Since, , that means is the mid point of

Mid point of

Let

d.r.?s of the line perpendicular to
and
joining
and is


Distance

The distance of any point from the yz-plane is simply the absolute value of its x-coordinate. For the point , the distance from the yz-plane is: Thus, the distance from the yz-plane is 3 units.