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Unfortunately, that guarantees the arc length of the slice to be constant (at pi inches), but not the total area (= d * 1/2 in). I believe this is why larger pizzas make more sense to cut into squares, as long thin pieces are harder to slice and to eat.

Yeah, that's my exclusion for small pizzas. We only do personal pizzas for the kids. The rest of the family shares a larger one (or two, or however many).

A giant pizza cut so that each slice is a full meal (maybe two if very hungry) is optimal.Eating a slice of pizza should be enough.