Answer:
GD = 6 in.
Step-by-step explanation:
Because the lines are medians AG = 2GD.
So x + 5 = 2(x - 1)
x + 5 = 2x - 2
5 + 2 = 2x - x
7 = x.
Therefore GD = 7 - 1 = 6 (answer).
