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notka56 [123]
3 years ago
7

Please help! 10 points up^^

Mathematics
1 answer:
Oksanka [162]3 years ago
7 0

Use the sine:

sine=\dfrac{opposite}{hypotenuse}

\sin18^o=\dfrac{x}{85}\\\\\sin18^o\approx0.309\\\\\dfrac{x}{85}=0.309\ \ \ \ |\cdot85\\\\\boxed{x=26.265\approx26.3}

<h3>Answer: 26.3</h3>
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