ProdigyInspired
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- Joined
- Oct 25, 2014
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- HSC
- 2016
Teacher gave us a take-home exam. I know I'm not meant to seek help but this question is weird as hell.
Helen is standing at a bus stop and can see a man on top of a building, The angle of elevation to the man is 46 degrees. She is wondering what he is doing and walks towards the building 13m. The new angle of elevation to the man is 55 degrees.
If Helen's eye-line is 1.5m from the ground, how tall is the building?
The first part I got. Now, what the hell is an eye-line?
That's what I drew so far, now I'm lost.
Helen is standing at a bus stop and can see a man on top of a building, The angle of elevation to the man is 46 degrees. She is wondering what he is doing and walks towards the building 13m. The new angle of elevation to the man is 55 degrees.
If Helen's eye-line is 1.5m from the ground, how tall is the building?
The first part I got. Now, what the hell is an eye-line?
That's what I drew so far, now I'm lost.