12.5 Drawing a Locus

A locus is a set of points that follow a given rule. The plural of locus is loci. You need a ruler and compass to draw a locus accurately

There are five basic locus theorems (rules). 

 Each theorem will be explained in detail in the following sections under this topic.  Even though the theorems sound confusing, the concepts are easy to understand.

When attempting to solve a locus problem, there are certain steps that should be followed:

reference: http://www.regentsprep.org/Regents/math/geometry/GL1/What.htm