Question 1202344
<font color=black size=3>
{{{
drawing(400,400,-4,6,-4,4,
line(-3,-3,3,-3),
line(3,-3,3,3),
line(3,3,-3,-3),
line(3-0.2,-3,3-0.2,-3+0.2),
line(3-0.2,-3+0.2,3,-3+0.2),
locate(-3+0.5,-3+0.5,65^o),
locate(0,-3-0.1,matrix(1,2,"30","m")),
locate(0,-3-0.4,"adjacent"),
locate(3+0.1,0,"h"),
locate(3+0.1,-0.3,"opposite"),

locate(3.3,-3,matrix(1,2,"Diagram","not")),
locate(3.3,-3.5,matrix(1,2,"to","scale"))
)
}}}

h = unknown height of the building
tan(angle) = opposite/adjacent
tan(65) = h/30
h = 30*tan(65)
h = 64.3352076
Your calculator needs to be in degree mode.


Answer: <font color=red>64.3352076 meters approximately</font>
</font>