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Length of Common Chord
If the distance from the centre of one circle to the common chord is $$d_1$$ and its radius is $$r_1$$:
$$L=2\sqrt{r_1^2-d_1^2}$$
Usage
- Used to calculate the common chord length once its distance from a centre is known.
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Length of Common Chord
If the distance from the centre of one circle to the common chord is $$d_1$$ and its radius is $$r_1$$:
$$L=2\sqrt{r_1^2-d_1^2}$$
Usage
- Used to calculate the common chord length once its distance from a centre is known.
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