PIZZA FOR TWO (OR MORE)

It's time for a snack, and you and your pal are all set to share a pizza, with each of you getting half. When the pizza arrives, however, you find that the slices are not all the same size.

- BY IVARS PETERSON

The pizza slicer had made four cuts with equal angles, all crossing at one point, to end up with eight slices. But the crossing point is not at the pizza's center, so some slices are larger than others.