Question

Given: line hg is the perpendicular bisector of segment JK. Which conclusion is valid?

Answer 1

JG = GK 
Angle JGH is a right angle 
Angle HGK is a right angle assuming it is drawn like this (sorry i did my best to draw it):

                 H
                  l
                  l
                  l
                  l
J--------------l--------------K
                 G