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Solve for x and round to the nearest tenth

Solve for x and round to the nearest tenth-example-1
User Chumphries
by
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1 Answer

4 votes

9514 1404 393

Answer:

88.9

Explanation:

The relevant trig relation is ...

Cos = Adjacent/Hypotenuse

cos(77°) = 20/x

x = 20/cos(77°)

x ≈ 88.9

User Quent
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