angellove1707
29.09.2021 •
Mathematics
What is 8x+11 less than the product of -2 and x-7
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Ответ:
Option (4). 56.31°
Step-by-step explanation:
From the figure attached,
Distance between the bird and tower (BT) = 6000 feet
Distance between the tower and the observer (OT) = 9000 feet
We have to find the angle of depression (∠TBO)
tanx =
tanx =
tanx = 1.5
x =
x = 56.31°
Angle of depression from the bird to the observer is 56.31°
Option (4) will be the answer.