Gis the incenter, or point of concurrency, of the angle bisectors of δace.

triangle a c e has point g as its incenter. lines are drawn from the points of the triangle to point g. lines are drawn from point g to the sides of the triangle to form right angles. line segments g b, g d, and g f are formed. angle f e g is (3 n minus 1) degrees and angle d e g is 20 degrees.
what is the value of n?

6
7
20
59