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A right triangle has a hypotenuse of 18 feet and a side length opposite of 12 feet . What is the measure of angle A the nearest degree ?

Answer :

[tex]\begin{gathered} \sin (\theta)=\frac{12}{18}=\frac{2}{3} \\ \Rightarrow\theta=\sin ^{-1}(\frac{2}{3})=42degrees \end{gathered}[/tex]

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