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  1. Shows how to find the perpendicular distance from a point to a line, and a proof of the formula.

  2. The distance (or perpendicular distance) from a point to a line is the shortest distance from a fixed point to any point on a fixed infinite line in Euclidean geometry. It is the length of the line segment which joins the point to the line and is perpendicular to the line. The formula for calculating it can be derived and expressed in several ways.

  3. The distance from a point to a line is defined as the perpendicular distance. To determine the distance from any point to a line; •determine the equation of a line perpendicular to our given line and through our given point •solve the system of equations for the given line and the perpendicular line to find the point of intersection of the ...

  4. Learn how to find the perpendicular distance of a point from a line easily with a formula. For the formula to work, the line must be written in the general form.

  5. The perpendicular is the shortest line segment that can be drawn from a point to a straight line. In Figure \(\PageIndex{3}\) the shortest line segment from \(P\) to \(\overleftrightarrow{AB}\) is \(PD\). Any other line segment, such as \(PC\), must be longer.

  6. Solved examples to find the perpendicular distance of a given point from a given straight line: 1. Find the perpendicular distance between the line 4x - y = 5 and the point (2, - 1). Solution: The equation of the given straight line is 4x - y = 5 or, 4x - y - 5 = 0. If Z be the perpendicular distance of the straight line from the point (2, - 1 ...

  7. Determine the distance from point to the line with equation Solution To use the formula, it is necessary to convert the equation of the line in vector form to its corresponding Cartesian form. The given equation must first be written using parametric form. The parametric equations for this line are