For an inscribed quadrilateral, opposite angles add up to 180 degrees. In this case, if we are looking for the measure of angle D, we can use the fact that angles I & D add up to 180 degrees. Since angle I = 117:
117 + D = 180
D = 63 degrees
It has to be (8, 9) because that would put the 4th corner above (8, 7) and right of (2, 9).
I think it’s B but I’m not for sure