question_answer

Identify the angle that is constructed after step 5 in the figure below and by joining the points O and U (where \[\overset\frown{PR}=\overset\frown{RS}=\overset\frown{ST}\]

A)  \[40{}^\circ \]                          

B)  \[140{}^\circ \]         

C)  \[135{}^\circ \]                    

D)  \[150{}^\circ \]