Equal Chords and Equal Distances
For two chords $$AB$$ and $$CD$$ of the same circle:
$$AB=CD\iff d(O,AB)=d(O,CD)$$
Usage
- Used to relate chord lengths with their perpendicular distances from the centre.
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CAT Formulas
Circles
Equal Chords and Equal Distances
Equal Chords and Equal Distances
For two chords $$AB$$ and $$CD$$ of the same circle:
$$AB=CD\iff d(O,AB)=d(O,CD)$$
Usage
- Used to relate chord lengths with their perpendicular distances from the centre.
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