at
a) The
angle of elevation of the top
of a
of
hill
the forst.
tower is 60 and
and the angle of
depression from
the top of the
tower of the foot of hill is 30
IF the tower is 50m
high,
find the height
of the hill.
Answers
Answered by
0
Answer:
The height of the hill is 150 m
Step-by-step explanation:
Let AB be the tower and CD be the hill. Then, ∠ACB=30
o
,∠CAD=60
o
and AB=50 m.
Let CD=x m
In right △BAC, we have,
cot30
o
=
AB
AC
3
=
50
AC
AC=50
3
m
In right △ACD, we have,
tan60
o
=
AC
CD
3
=
50
3
x
x=50×3=150 m
Therefore, the height of the hill is 150 m.
Attachments:
Answered by
0
Answer:
maybe it's Ans. is right
Step-by-step explanation:
mark me as brainlist ♥️
Similar questions