A man standing on the deck of a ship, which is 10 m above the water
level, observes the angle of elevation of the top of a hill as 60°, and the
angle of depression of the base of the hill as 30 . Find the distance of
the hill from the ship and the height of the hill.
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Answer:
The ground tissue of plants includes all tissues that are neither dermal nor vascular. It can be divided into three types based on the nature of the cell walls. Parenchyma cells have thin primary walls and usually remain alive after
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Step-by-step explanation:
ANSWER
Let AB=10m, cliff of a ship where man is standing
Let CE be the hill.
CD=AB=10m
In △ADE
tan60°=
x
h
3
x=h
x=
3
h
⟶(1)
In △ABC
tan30°=
x
10
3
1
=
x
10
x=10
3
⟶(2)
We have two equations (1) & (2), Multiplying them we get,
x
2
=10h
h=30m
∴CE=CD+DE=10+30=40m
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