Solve for x. 
1. x=3
2. x=10
3. x=80
4. x=140
                                             
                                          
                                          
                                        
											 
											Answer:
x=3
Step-by-step explanation:
arrow KPQ=30+x, arrow KRQ=360-30x-50=310-50
angle P= (310-30x)÷2
310-30x=2×110
x=3