Given: BD is a diameter
m 1= 100°
m BC = 30°
m CD =
100
150
330
                                             
                                          
                                          
                                        
											 
											Answer:
150
Step-by-step explanation:
330 is to big because the diameter is 180
100 is angle 1 and CD is bigger
so it would be 150
hope i helped