Area of Cross-Section of a Sphere

Rarely Tested

Area of Cross-Section of a Sphere

If the radius of the cross-sectional circle is $$\rho$$:

$$A=\pi\rho^2$$

Using $$\rho^2=R^2-d^2$$:

$$A=\pi(R^2-d^2)$$

Usage

- Used to find the area of the circular section made by a plane through a sphere.

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