Given two triangles, $△STU$ and $△XYZ$, if $△STU$ is congruent to $△XYZ$, which of the following statements about their corresponding sides and angles is true according to the Law of Sines?

• A. $\frac{a}{sin\left(A\right)}=\frac{x}{sin\left(X\right)}$
• B. $\frac{a}{sin\left(C\right)}=\frac{y}{sin\left(X\right)}$
• C. $\frac{a}{sin\left(B\right)}=\frac{z}{sin\left(Y\right)}$
• D. $\frac{a}{sin\left(A\right)}=\frac{y}{sin\left(Z\right)}$

Answer: (A)