A ranger spots a forest fire while on a 30-meter observation tower. The angle of depression from the tower to the fire is 20 degrees. To the nearest meter, how far is the fire from the base of the tower? Please help !

Question

anonymous · Answer

oh its too easy .. u just need to revise teh angles .. well in this case u use the identity .. 
cos(angle)=x/30 hense xis ur distance from tower base to fire forest or wht ever ..

anonymous · Answer

30*cos(20)=distance required :P

anonymous · Answer

what would I do after I get the cos ?

anonymous · Answer

take cos(20)
multply the answer with 30.. its ur answer

anonymous · Answer

really .... u did nt understood the above expression

anonymous · Answer

I already had the answer I was just trying to understand the steps . Thanks anyways . lol

anonymous · Answer

:P

anonymous · Answer

u r welcome ... i ws just kidding