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CBSE Notes 2011-2012 » X-Mathematics-Term2

# Some Applications of Trigonometry

## The angle of elevation of the top of a tower from a point 20 metres away from its base is 45

Multiple choice question

The angle of elevation of the top of a tower from a point 20 metres away from its base is 45

## The angle of elevation of the sun, if the length of the shadow of a tower is V3 times the height of ...

Multiple choice question

The angle of elevation of the sun, if the length of the
shadow of a tower is V3 times the height of the tower is

## The tops of two poles of height 20 m and 14 m are connected by a wire. If the wire makes an angle of...

Multiple choice question

The tops of two poles of height 20 m and 14 m are
connected by a wire. If the wire makes an angle of 30"
with the horizontal, then the length of the wire is

## Two poles are 25 m and 15 m high and the line joining their tops makes an angle of 45

Multiple choice question

Two poles are 25 m and 15 m high and the line joining
their tops makes an angle of 45

## If two towers of height h] and h2 subtend angles of 60: and 30

Multiple choice question

If two towers of height h] and h2 subtend angles of 60:
and 30

## A portion of a 60 m long tree is broken by tornando and the top struck up the ground making an angle...

Multiple choice question

A portion of a 60 m long tree is broken by tornando and
the top struck up the ground making an angle of 30