SOLUTION: Hi there! Kindly guide me on following matter. I am 5.9" tall and standing at ground. I am seeing a bird sitting at the top of the building (i don't know the height of building).

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Question 813259: Hi there! Kindly guide me on following matter.
I am 5.9" tall and standing at ground. I am seeing a bird sitting at the top of the building (i don't know the height of building).
The distance between my eyes and bird is 35yards. (i determine it by using range finder).
But i don't know the distance between me and base of the building at the ground.
At which angle i am seeing that bird?
Your kind guidance in this regard will be highly appriciated.
Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website!
I am 5.9" tall and standing at ground.
I am seeing a bird sitting at the top of the building (i don't know the height of building).
The distance between my eyes and bird is 35yards. (i determine it by using range finder).
But i don't know the distance between me and base of the building at the ground.
At which angle i am seeing that bird?
:
You don't have enough information, your height is irrelevant, use the range finder to find the distance between your eye and the building
:
Then use the cosine to find the angle
hypotenuse = 35 yds
distance to building = side adjacent
Cos(A) =