Question
Find the value of x.
x=
                                             
                                          
                                          
                                        
											 
											Answer:
x= 60° degree
Step-by-step explanation:
180°-40°= 140°
140= x+ x+ 20
140 -20 =2x
2x = 140 - 20
2x = 120
x = 60°