yes and they have a round door
No.
3 sqrt(2) = roughly 4.243 (rounded)
12 !
8, -8
2i , where i is the so-called imaginary number: squareroot of -1
They do not make igloos. Inuit and Eskimos make igloos, not polar bears.
No, not in club penguin. But in real igloos there are.
There are no igloos in Switzerland.
No, igloos can not be moved.
No, there are no igloos in South Carolina.
Igloos are round in shape because the circular structure helps distribute the weight of the snow evenly, making it more stable and able to withstand strong winds and heavy snowfall. The rounded shape also provides better insulation, trapping heat inside and keeping the interior warm.