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Help me on #13 and please explain

Help me on #13 and please explain-example-1
User Wjamyers
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Answer:

56.4°

Explanation:

Let θ = the angle of elevation. Then

tanθ = 199/132 = 1.508

θ = arctan1.508

θ = 56.4°

The angle of elevation is 56.4°.

Help me on #13 and please explain-example-1
User Bluee
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