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Angles of elevation and depression
Trigonometry
Angles of elevation and depression
1. From a point 65m from
the foot of a chimney,
the angle of elevation of
the top of the chimney is 52º.
Find the height of the chimney.
52º
65m
Angles of elevation and depression
2. From the top of a cliff,
the angle of depression
of a boat in the water 85m
from the foot of the
cliff is 34º.
Find the height of the cliff.
34º
cliff

boat
85
metres
Angles of elevation and depression
3. From a point 44m away
from the foot of a tower,
the angle of elevation
of the top of the tower is 64º.
Find the height of the tower.
T
O
W
E
R
64º
44
metres
Angles of elevation and depression
4. A pupil is 2 meters tall.
He walks 30 meters
away from the High
School main building.
The angle of elevation
of the top of
the building
is 29º.
2m 

Find the height
of the building.
29º
30
metres
Angles of elevation and depression
33º
5. A cliff is 200m high.
The angles of
depression from the
top of the cliff
of two
boats at


boat
boat
sea are
1
2
29º and 33º
respectively.
How far apart are the boats.
29º
C
L
I
F
F
F
200
m