I am guessing the answer is D
Uh, i think this one is "two people", even though a 16 inch pizza is, in my opinion, more than enough. sorry if incorrect.
The fourth choice is the correct one. The center of rotation (Q) is always the midpoint between point P and its image P' when rotation is 180°.

divide both sides by pi


r=3
Radius is 3
diameter is double the radius, so diameter = 6
It would be 57 and 3/5 because 57.6 as a fraction is 57 and 6/10 and that simplified is 57 and 3/5 because 6 divided by 2 is 3 and 10 divided by 2 is 5