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Length of Tangent from an External Point
For sphere with centre $$c$$ and radius $$r$$ and external point $$p$$:
$$PT=\sqrt{PC^2-r^2}$$
Usage
- Used to calculate the length of a tangent from a point outside a sphere.
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Length of Tangent from an External Point
For sphere with centre $$c$$ and radius $$r$$ and external point $$p$$:
$$PT=\sqrt{PC^2-r^2}$$
Usage
- Used to calculate the length of a tangent from a point outside a sphere.
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