The angles of elevation of the top of a tower from the base and the top of a building are
60° and 45º. The building is 20 metres high. Find the height of the tower.
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31
Step-by-step explanation:
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Answered by
47
the answer is in the above attachment.
just go through it.
Answer:
the height of the tower is 47.32 m or also can be written as 10 (√3 +1 ) m.
Both are right
Step-by-step explanation:
- assuming ' D ' as base of the building.
- assuming ' E ' as top of building.
- value of tan 45° is 1
- value of tan 60° is √3
- I have assumed a variable ' x '
- AB = x
- BC = ED
- EB = DC
- and, AB + BC = AC.
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