Slope of a Perpendicular Line
## Formula
If a line has slope $$m$$, the slope of a perpendicular line is:
$$m'=-\frac1m$$
for:
$$m\ne0$$
## Usage
- Used to determine the slope of a line perpendicular to a given line.
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CAT Formulas
Straight Lines
Slope of a Perpendicular Line
Slope of a Perpendicular Line
## Formula
If a line has slope $$m$$, the slope of a perpendicular line is:
$$m'=-\frac1m$$
for:
$$m\ne0$$
## Usage
- Used to determine the slope of a line perpendicular to a given line.
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