Find the measure of the missing ANGLE. 
46 degrees
52 degrees
65 degrees
83 degrees
                                             
                                          
                                          
                                        
											 
											Answer:
83°
Step-by-step explanation:
? = (1/2)[m(arc)DE + m(arc)RF]
? = (1/2)[106° + 60°]
? = 83°