The lines have a parallel relationship!
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The tangent of the angle gives the ratio of the height of the lighthouse to the boat's distance
.. tan(angle of depression) = (lighthouse height)/(boat distance)
Then the distance to the boat is
.. boat distance = (lighthouse height)/tan(angle of depression)
We want to find the difference between two distances, so
.. boat travel = (lighthouse height)*(1/tan(first angle) -1/(tan(second angle))
.. = (200 ft)*(1/tan(17°31') -1/tan(46°41'))
.. ≈ 445.10 ft
Answer:
D and I
Step-by-step explanation:
The Mississippi river is 2,336.8 miles long
Answer:
15
Step-by-step explanation:
Solve the problem backwards and it gives you the answer. Hope this helps
