Solve the equation x + 100 = 0.
2 answers:
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Answer:
The correct answer is option A) 68.6 m
Step-by-step explanation:
Given:
The angle of elevation from the boat = 32 degrees
Length of the cable that connects the boat and the man = 129.5 meters
To Find:
How many meters above the lake is the man to the nearest tenth of a meter = ?
Solution:
Let the height of the man from the Lake be H.
then H can be found using the sine formula of the right tringle
where
In the figure below
the hypotenuse is the cable length, H is the opposite side
and angle is the angle of elevation:
The substituting the values
H = 68.624
H= 68.6
