Distance from Point to Line Calculator
Line: Ax + By + C = 0
How This Is Calculated
The perpendicular distance from a point (x₁, y₁) to the line Ax + By + C = 0 is |Ax₁ + By₁ + C| / √(A² + B²) — a direct application of the point-to-line formula covered in the Straight Lines chapter guide.