You will argue about anything...

Technically a rectangle

You lose [image deleted]

depends on what KIND of bread.. wheat for sanmmies square,, french or italian,, round

sliced the round bread the wrong way for a sandwich

?

there has to be more perimeters on this query.

I can't decide. Too many choices!

does not matter both taste good

Square. Better for sandwiches

Which ever is cheapest.

nope