I have to use a double integral in polar coordinates to find the area of the region inside the circle x^2 + y^2 = 4 and to the right of the line x =1.

I have it all graphed and I know how to do double integrals but I am confused as to what I am integrating, it is probably really simple but I was sick the day we went over this section in class so I have no idea what I am doing.

Please help