Posted by **chris** on Thursday, February 3, 2011 at 4:25am.

a boy walks 50m from the bottom of a building lies down and notes that he has to raise his eyes through 42 degree from the horizontal. what is the height of the building?

i am doing tan(42)=x/50 but the answer is supposed to be 45m. how do i get that?

- math -
**chris**, Thursday, February 3, 2011 at 4:56am
actually dont answer that im stupid. i hand by calculator in rad rather than deg. sorry. have a great rest of the day.

- math -
**MathMate**, Thursday, February 3, 2011 at 8:48am
Good, only those who don't work never make mistakes!

## Answer This Question

## Related Questions

- Trig - a person who eyes are 5 feet above the ground observes the top of a ...
- math - A steel ball is dropped from rest from the roof of a building. An ...
- physics - Consider a boy standing on a building that is 500m height and another...
- math - a tower 7 metres high stands on top of building which is 9 metres high. ...
- Math - math word problem a building 240ft tall casts a 100 foot long shadow. If ...
- MATH - the figure shows that the angle of elevation to the top of the building ...
- Physics - A ball is thrown at an angle of 37.1degrees above the horizontal from ...
- math - john is standing 100 metres away from a building.the angle of elevationto...
- math - john is standing 100 metres away from a building.the angle of elevationto...
- Math trig - a ladder 24 feet long leans against the side of a building, and the...

More Related Questions