There are lots of non-rectangular flags: many of the flags used for maritime signalling are non-rectangular. The only non-rectangular national flag belongs to Nepal.
There is no specific reason, actually. Also, I know at least one flag does not; look up Ohio's flag. (alternate answer) Rectangles are a convenient shape to work with. You might also ask why pieces of paper are rectangular, books are rectangular, newspapers and magazines are rectangular, candy bars are rectangular, and so forth. It would be trickier to make pentagonal flags. Why give yourself extra work? Switzerland's flag is a square rather than a country; I think they had to get special permission for this. Rectangular flags appear to be golden rectangles which are said to look nicer, so perhaps this has something to do with it.
The U.S. flag has three shapes on it: the blue rectanglethat has the stars on it and the 13 long rectangular stripes that are red and white.
Nepal is the only country with a flag that is not a rectangle
No, rectangular prisms are 3 dimensional and rectangles are only 2 dimensional.
A rectangular prism has 3 dimensions. Whereas the rectangle has only 2 dimensions.
The only current national flag to not be rectangular or square is that of Nepal.
No, Nepal's flag is the only none rectangular national flag, with the exception of the square flags of Switzerland and the Vatican City. The flag and more details are shown on the related link.
Hawaii
Nepal is the only Asian country without a rectangular flag. Instead, it's flag is in the shape of two overlapping triangles.
All states use a rectangular flag except Ohio.
Libya is the only one. A flag of rectangular green
the flag is nepal. its like two triangles put together on top of each other
yes
Flags do not have to be a rectangle. The flag of Nepal is not a rectangle. It is the only country in the world that is not rectangular. A rectangle is a simple shape to work with, so most flags are rectangles.
nepal
Nepal
Nepal's flag is shaped like a triangle fixed on top of another triangle. See Sources and related links for a picture.A square is a type of a rectangle. Hence, the square-shaped flag of Vatican City State and Switzerland are types of a rectangular flags.