Class 9 / IIT Foundation Plus Maths / Foot, Image, Distance And Angle / Theorem I

Foot, Image ,Distance and Angle

Foot, Image ,Distance and Angle Theorem 1: If (h,k) is the foot of the perpendicular from  to the line  ax+by+c=0 then \(\frac{{h - {x_1}}}{a} = \frac{{k - {y_1}}}{b} = \frac{{ - (a{x_1} +