10. is f 11. is a I dont know for 12 though
Answer:
Step-by-step explanation:
3 sheets are shared between four friends.
Each friends will get = 3 ÷ 4
= 
For the angle MPN we know that is oposite to the angle QPL so the will be equal so:

Now with the value of MPN we can made an equation for x so:

and we solve for x

and the angle LPM will be the complementari angle of 125 so:
Answer:
D = pi+2 sin omega /3cos0
Step-by-step explanation:
18+3930