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taylordalton93
19.03.2020 •
Social Studies
The members of the Houston Community College Board of Trustees are elected to their offices. What kind of government oversees the operation of HCC? Group of answer choices county government special district government municipal government federal government
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Ответ:
Here, O represents the observer , P represents the Plane, T represents the tower and B represents the Bird
As per the statement:
The observer also notices a bird (B) circling directly above her and the distance from the plane (P) to the tower (T) is 5,000 ft.
⇒Distance from the plane to the tower = 5000 ft.
Angle of elevation()= 23 degree.
We have to find how far is the bird (B) from the plane (P):
Using cosine ratio:
See the diagram as shown below:
Here, Base side = 5000 ft and Hypotenuse side = distance of bird from the plane
Substitute the given values we have;
or
Simplify:
ft
Therefore, 5432 ft far is the bird (B) from the plane (P)