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# Angle of Elevation

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How to find angle of elevation with given force

Guest Jul 18, 2017
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#1
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there is no question here.

Melody  Jul 18, 2017
#2
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You can't. I believe if we're given more details such as length from point A to point B, time, or distance travelled. Maybe it is possible. Can you provide full question?

Guest Jul 18, 2017
#3
+7055
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How to find angle of elevation with given force

The angle of elevation is always measured from the ground up. It is an upward angle from a horizontal line. It is always inside the triangle ABC.

Example:
A tree is 14m high.
The observer stands 30m before the tree.
In the triangle ABC is
the height of tree BC or a,
the distance AC or b,
the angel of elevation BAC or $$\alpha$$ .

Then:

$$tan\ \alpha= \frac{a}{b}\\ \alpha = arctan \frac{a}{b}$$

In the example:

$$\alpha = arctan\ \frac{14m}{30m}\\ \alpha =25.017°=25°1'1''$$

The angle of elevation in the exemple is 25°1'.

!

asinus  Jul 18, 2017
edited by asinus  Jul 18, 2017

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