What is the measure of angle x?
A pair of parallel lines is cut by a transversal. An exterior angle on the left of the transversal is labeled as 40 degrees. An interior angle on the right of the transversal, which is not vertically opposite to the 40 degree angle, is labeled as x.
 40 degrees
 80 degrees
 130 degrees
 140 degrees
                                             
                                          
                                          
                                        
											 
					                  