11.5 Loci and Construction

11.5 Loci and Construction

A locus (plural loci) is a set of points that follow a given rule. In geometry, loci are often used to define the positions of points relative to one another or to other geometric figures. Some common types of loci along with detailed explanations will be discussed.

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Do you know? In Latin, the word locus is defined by the English term, location.

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Remember!
Equidistant: Let $A$ be a fixed point and $B$ be a set of points. If $A$ is at equal distance from all points of $B$, then $A$ is said to be equidistant from $B$.