Question

the angle of elevation of the top of a tower from the top of a rock is 30 which is taller the rock or the tower​

Answer 1

Step-by-step explanation:

In △ABD,∠ADB=45o

∴tan45=BDAB

1=BDh

BD=h

In △AEC,∠ACE=30o

∴tan30=CEAE

31=hh−100

h=3h−1003

3h−h=1003

h(3−1)=1003

h=3−11003×3+13+1

  =

plz give me brilliant for my hard work