Sphere Tangent to a Plane

Rarely Tested

Sphere Tangent to a Plane

For sphere with centre $$C(a,b,c)$$ and radius $$r$$, tangency to plane:

$$Ax+By+Cz+D=0$$

requires:

$$\frac{|Aa+Bb+Cc+D|}{\sqrt{A^2+B^2+C^2}}=r$$

Usage

- Used to determine unknown sphere parameters under a plane-tangency condition.

No related questions available for this formula yet.

Go back to topics

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.