Answer:
x = 11
Explanation:
It is given that,
Points H, G and F are collinear. Point G is between H and G.
It means,
HG = GH + HG
We have, HG = x, GH = 1, HG = 10
Putting all the values, we get:
x = 1 +10
x = 11
It is very clear that the value of x is 11.