The ladder makes an angle of 46 degrees with the ground.

use the formula of trigonometric function of cosine. 25ft. as the adjacent and 36 ft. as the hypotenuse.
Thnx my friend ..
4) a liGHthouse 25 hIGH stands oN the sidE of a a point 80 fEEt froM the foOt of the liGHt house,measureD a straiGHt down the hIll,the liGHt house subtends an angle of. what angle does the sidE of the hIlL make with the liGHt house?
hmm. i think your problem is lacking of some details.
your very much welcome. :)