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

It is easier building straight brick walls or with some other material is just easier curved walls are technically difficult to build especially with straight objects.