Altitude of a Triangle
## Formula
An altitude from a vertex is perpendicular to the opposite side:
$$m_{\text{altitude}}m_{\text{side}}=-1$$
## Usage
- Used to construct the equation of an altitude using the slope of the opposite side.
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Altitude of a Triangle
Altitude of a Triangle
## Formula
An altitude from a vertex is perpendicular to the opposite side:
$$m_{\text{altitude}}m_{\text{side}}=-1$$
## Usage
- Used to construct the equation of an altitude using the slope of the opposite side.
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