# Category:Power of Point

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This category contains results about **Power of Point**.

Definitions specific to this category can be found in Definitions/Power of Point.

Let $C$ be a circle in the the plane whose center is $O$ and whose radius is $r$.

Let $P$ be a point whose distance from $O$ is $d$.

The **power** of $P$ with respect to $C$ is defined to be:

- $d^2 - r^2$

## Pages in category "Power of Point"

This category contains only the following page.