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Sagot :
The length of the wall is approximately 16.7ft high.
To solve this problem, we would use trigonometric ratios.
The sine angle between any two body is the ratio between the opposite and hypotenuse.
Data given;
- angle = 68 degree
- hypotenuse = 18 foot
- opposite = ?
Trigonometric Ratio
[tex]sin x = \frac{opposite}{hypotenuse}\\sin 68 = \frac{opposite}{18}\\opposite = 18 sin68\\opposite = 16.68ft[/tex]
From the above calculation, the length of the wall is approximately 16.7ft
Learn more on trigonometric ratio here;
https://brainly.com/question/4326804
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