This is the answer I found it online for you if you need anything answer I would just look it up it really does help :)
I think it is 50°. If 130 is also the angle of elevation, then it is also the angle of depression. So the two angles up there (depression and x) equal 180 so - 130 = 50.
It was xoined by Winston Churchill who described the Berlin wall that seperated east germany from west germany not allowing any citizen in the communist countires to escape and leave their tyrannical overlords for the free west.
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Before slavery, Blacks were uncivilized. Hope this helps!:)</span>
The goal was to find food