[tex]\\
\text{In the triangle FGH, we can see that the the lines that}\\
\text{are intersecting at the point J are the perpendicular bisectors}\\
\text{of each side of the triangle.}\\
\text{each line intersecting at J, divides the corresponding side in}\\
\text{two equal parts and the line is perpendicular on that side.}\\
\\
\text{So this point J is the Circumcenter of the triangle.}[/tex]
Hence the point J can be described as:
C. Circumcenter
