Answer:
∠ U = 22.62°
Explanation:
We can use the trigonometric expression to find ∠U by using the ratio:
sin(θ) = opposite/ hypotenuse
=> sin ∠U = 7.5/ 19.5
=> ∠ U = ( 7.5/ 19.5)
∴ ∠ U = 22.619° ≈ 22.62°
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