why do we build rectangular houses and not round houses?

Question

I mean houses in Europe and America have 4 corners (or more) whereas in Africa Natives build round houses (also in Asia afaik).
Do they have any advantages or disadvantages? Or is one solution cheaper, …?

In: 50

Answer 1

In places where ground is free and building materials expensive, people build round housing. Think africa, mongolia.

In places where ground is more expensive than building material, rectangular houses are built.

Als, fitting furniture in a non-rectangular room is … interesting.