Question 841595
Not enough info. 
We know how tall the man is but not where his eyes are from the top of his head.
We can guess about 3 inches if you want
If the angle is 45 then we have an isosceles triangle with two sides equal 
The height of the pole is 5 feet above his eyes or approximately (11 ft - 3 inches) 10 ft 9 inches above the ground.