CBSE#!#More About Lines - Perpendicular Lines

Line Perpendicular to a line

Foot of perpendicular on a line

Condition for Perpendicularity of two lines.

Perpendicularity of two lines

Concurrency of lines|Foot Of Perpendicular And Image Of A Point w.r.t. A Line

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

A straight line moves so that the sum of the reciprocals of its intercepts on two perpendicular lines is constant then the line passes through-

The radius of gyration of a uniform disc about a line perpendicular to the disc equals ilts radius. Find the distance of the line from the centre.