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Condition for a Right-Angled Triangle
## Formula
For points $$A,B,C$$, if $$AB$$ and $$AC$$ are perpendicular:
$$m_{AB}m_{AC}=-1$$
## Usage
- Used to identify a right angle through slopes.
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Condition for a Right-Angled Triangle
## Formula
For points $$A,B,C$$, if $$AB$$ and $$AC$$ are perpendicular:
$$m_{AB}m_{AC}=-1$$
## Usage
- Used to identify a right angle through slopes.
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