According to Vastu Shastra size of room should be North to South longer than East to West is better. The length of both side North to South and East to West is equal and squire shaped room is also good.This type of room is more beneficial for house/flat owner. It brings happiness and wisdom.
The room which is East to West side longer than North to South side is medical types. Its result is also general. The other shaped room is always avoid.