Consider AGHJ in the figure below.
The perpendicular bisectors of its sides are KN, LN, and MN. They meet at a single point N.
(In other words, N is the circumcenter of AGHJ.)
Suppose LN=22, GJ=92, and GN=122.
Find HN, LJ, and GK.
Note that the figure is not drawn to scale.