Question

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 1

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