Perpendicular Distance between Point and Line

This below worksheet help you to understand how to compute perpendicular distance

Perpendicular Distance Formula =

Example
Coordinates (X₁,Y₁) = (1,2)
Ax + By + C=0 ---> 1X + 2Y + 3
Perpendicular Distance = ((1x1) + (2 x 2) + 3)/√(1^2 + 2^2)
= 8/√5
= 3.5777
Hence the perpendicular distance is 3.5777

When you try such calculations on your own, this perpendicular distance alculator can be used to verify your results.