Answer:
1. X is the midpoint of AG; given
2. X is the midpoint of NR; given
3. AX and XG are congruent; statement 1
4. NX and XR are congruent; statement 2
5. angle AXN and angle RXG are congruent; vertical angles are congruent
6. Triangle ANX and triangle GRX are congruent; make the correspondence A <-> G, X <-> X, N <-> R, and Side-Angle-Side Congruence Theorem.
Explanation