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Mathematics
Problem
A lighthouse is 60 m high. The angle of depression of a boat on the sea is
15
∘
15^{\circ}
1
5
∘
. Find the horizontal distance of the boat from the foot of the lighthouse. (Take
tan
15
∘
=
0.268
\tan 15^{\circ}=0.268
tan
1
5
∘
=
0.268
.) a)
210
m
210\;\text{m}
210
m
b)
16
m
16\;\text{m}
16
m
c)
224
m
224\;\text{m}
224
m
d)
232
m
232\;\text{m}
232
m
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