Question

the shadow of a tower standing on a deaced ground (10) genind is found to be 4om longer when the sun's altitude is 30° then when it is 60 Find the height of the tower​

Answer 1

Answer:

In △ABD,

tan60o=BDAB

3=xh

∴   x=3h                ------- ( 1 )

Now in △ABC,

tan30o=BCAB

⇒  31=x+40h

⇒  x+40=3h

∴  3h+40=3h          hope it helps