Condition for a Point to Lie Outside a Sphere
For centre $$c$$ and radius $$r$$, a point $$p$$ lies outside the sphere if:
$$PC>r$$
Usage
- Used to determine whether real tangents can be drawn from the point to the sphere.
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CAT Formulas
Three Dimensional Geometry
Condition for a Point to Lie Outside a Sphere
Condition for a Point to Lie Outside a Sphere
For centre $$c$$ and radius $$r$$, a point $$p$$ lies outside the sphere if:
$$PC>r$$
Usage
- Used to determine whether real tangents can be drawn from the point to the sphere.
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