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

The rectangular shape is for optimal scalability.

It’s difficult to easily upgrade or renovate round shaped houses.

It’s also difficult to have an efficient array of round shaped houses.

Creating and transporting round shaped material is also more complicated logistically.