# Wikia

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You might also be looking for Radius (bone).

Radius is the distance from the center of a circle to the outside edge.

The relationship between the radius and the circumference of a circle is $r = \frac{c}{2\pi}$.

Starships often scanned within a given radius when making an analysis or evaluation of nearby space.

In the alternate timeline created by the Na'kuhl, Nazis searched for Captain Archer within a fifteen-mile radius. (ENT: "Storm Front")

While attempting to assassinate Gul Dukat, the Bajoran resistance give Major Kira Nerys (as Luma Rahl) a Bajoran earring made of ultritium resin which, when detonated, had a blast radius of twenty meters. (DS9: "Wrongs Darker Than Death or Night")

After failing to obtain a transporter lock on the away team on a planet created by Trelane, Spock beamed aboard all lifeforms within a predetermined radius. (TOS: "The Squire of Gothos")

The 22nd century Vulcan hand scanner was capable of scanning within a three kilometer radius. (ENT: "Carpenter Street")