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Elden [556K]
3 years ago
11

The distance from the boat to the base of the lighthouse is 412 feet. from the top of a 210 foot tall lighthouse, find the angle

of depression to the boat.
Mathematics
1 answer:
Semenov [28]3 years ago
3 0
The angle of depression is the same as the base angle next to the right angle because of alternate interior angles.  Use the tangent ratio: tan \beta = \frac{210}{412}.  The angle of depression, therefore, is 27
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