Please help!!! 
Find the value of x that makes ABCD a parallelogram.
X+50°
70°
70°
x + 50°
O
O A. x= 20°
O B. x = 60°
O C. x= 40°
O D. x= 30°
                                             
                                          
                                          
                                        
											 
			                  