PRECALC HELP
a contractor needs to know the height of a building from a point 100 feet away from the base of the building, the angle of the elevation to the top of the building is found to be 42 degrees 22' Find the Height of the building.

Question

PRECALC HELP 
a contractor needs to know the height of a building from a point 100 feet away from the base of the building, the angle of the elevation to the top of the building is found to be 42 degrees 22' Find the Height of the building.

aphmeow · Answer

wow this is hard what grade are you in?

irishboy123 · Answer

$$\tan  42^o 22' = \dfrac{h}{100}$$

arihangdu · Answer

Heights is 90.7