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jayowens20
22.06.2019 •
Mathematics
Afireman is standing 30 m directly west of a burning building. his ladder reaches 50m up the side of the building. what is the angle of elevation to the closest degree of his ladder?
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Ответ:
As per the statement:
You can see the diagram as shown below.
Distance of fireman stands away from the building = 30 m
Length of the ladder = 50 m
Using Cosine ratio:
From the diagram:
Adjacent side = 30 m
Hypotenuse side = 50 m
Substitute these values in [1] to solve for angle of elevation(
)
or
Simplify:
Therefore, the angle of elevation to the closest degree of the ladder is 51.13 degree
Ответ:
no there wont be halloween in my neighborhood
Step-by-step explanation:
ill just watch scary movies rated X or R