Find the perpendicular distance of an angular point of a cube from a diagona which does not pass through that angular point.

The perpendicular distance of a corner of uni cube from a diagonal not passing through it is

The perpendicular distance of a corner of uni cube from a diagonal not passing through it is

The perpendicular distance of a corner of uni cube from a diagonal not passing through it is

The perpendicular distance of a corner of uni cube from a diagonal not passing through it is

The perpendicular distance of a corner of unit cube from a diagonal not passing through it is

The perpendicular distance of a corner of unit cube from a diagonal not passing through it is

Find the perpendicular distance of a corner of a cube of unit side length from a diagonal not passing through it.

Find the equations to the straight lines which are at a distance of 1 unit from the origin and which pass through the point (3,1).

Find the locus of the foot of the perpendicular from the orign to a variable straighht line which always passes through the fixed point (a,b) .

Find the locus of the foot of the perpendicular from the origin upon a stright line which always passes through the point (2,3).