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10-03-2022
Mathematics

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An amateur astronomer sets up his telescope in
the center of a circular field. The field is
surrounded by trees 20 m tall. The tripod holding
the telescope pivots 1 m above the ground.

What is the lowest angle of elevation at which the astronomer can observe a star?

An amateur astronomer sets up his telescope in the center of a circular field The field is surrounded by trees 20 m tall The tripod holding the telescope pivots class=

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onlineforevr onlineforevr

12-03-2022

Answer:

Lowest angle of elevation is 20.8

Step-by-step explanation:

If he is in the middle of the field, then the 100 value is split in half.

Then, you do 20-1 because of the height of the telescope.

So now, to solve:

tanx= 19/50 (opposite over adjacent)

x= tan^-1 times (19/50)

19 devided by 50= 0.38

then do 0.38 tan^-1

and round.

Therefore the answer is 20.8

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