Homework Help: math

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!
math - hasan, Wednesday, February 6, 2013 at 5:21pm
Hi

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 - a television antenna is on the roof of the building. from a pt. on the...
Physics - a television antenna is on the roof of the building. from a pt. on the...
Physics - a television antenna is on the roof of the building. from a pt. on the...
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...
college physics - An 80kg man walks down a ramp that makes a 40 degree angle ...
physics - Consider a boy standing on a building that is 500m height and another...

For Further Reading

First Name:
School Subject:
Answer: