EdFred
Taxi to Parking
A cake is round, and cut in to triangles. Do we call a cake a pie? No, we don't. But a cake, a CAKE, is closer to being a pie than a pizza is. A cake is a round, triangular cut dessert confectionary. That also describes a pie. But a pie is not a cake. A cake is not a pie. Do we call alien spacecraft flying pies? No, we do not. We call them flying saucers. Is a saucer a pie? No, a saucer is not a pie.
What about if you divide a circle's circumference by its diameter? Is that a pie? No, that is not a pie either. That is a pi.
So sheet cakes don't exist?
What do you call something made with the exact same ingredients, made the exact same way, but the pan it is cooked in, is square or rectangular?