question_answer

In the shown figure, an equilateral triangle QRT surmounts square PQRS. Find the value of x + y.

A)  \[100{}^\circ \]       

B)                                                         \[110{}^\circ \] 

C)  \[120{}^\circ \]                                                           

D) \[120{}^\circ \]

E) None of these