I'll certainly agree that the figure is not drawn to scale !
The truth is that the figure is not drawn at all.
We need to see it in order to answer the question.
That's a big part of the reason that it's printed there,
right next to the part of the question that you did give us.
There's no way to tell where CD, OM, and ON are in the circle,
or whether FN or EF are even on the same planet as the others.