The point equidistant from all vertices of a triangle is called the circumcenter of the triangle.
If the fourth player, Colin, wants to be the same distance away from Jackson, Trevor, and Scott, then he should stand in the circumcenter of the triangle formed by the other players.
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How to find the circumcenter?
According to the Circumcenter Theorem, we can find the circumcenter of a triangle at the intersection point of the perpendicular bisectors of its sides.