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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.
What else can I help you with?
Is a rectangle polygon shape?
A rectangle is a polygon shape since all lines are straight and connected.
Is a rectangle a 3 d shape?
No because a rectangle is a 2 dimensional shape
What is the perimeter of 500 acres?
It depends how the acres are laid out. Is it in a square shape or a rectangle. How much of a rectangle. These are all factors in the perimeter.
How do you find out the perimeter?
The perimeter of any 2D shape is the sum of all of the individual sides. For example: the perimeter of a rectangle is = length of rectangle (top) + length of rectangle (bottom) + height of rectangle (Left) + height of rectangle (Right)
Which of these is a geometric shape pyramid cube or rectangle?
the main tridimensional geometric form is the cube fromthe cube you can get a pyramid by cutting edges, then the rectangle is a geometrical shape too but bidimensional.
Why must flag have to be rectangle?
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.
What us states does not have a rectangle flag?
they all have rectangular flags.
Is a rectangle polygon shape?
A rectangle is a polygon shape since all lines are straight and connected.
What is a shape with all right angles And is not a square?
a rectangle
What shape is a rectangle with all its sides equal?
square
What is different about Nepal's flag compared with other flags?
Nepal's flag is the only national flag in the world that is not in the shape of a rectangle. It resembles two stacked triangles.
Are flags square or rectangle?
Most often rectangular. Some flags, however, are peculiar shapes.
Is a square a rectangle and a rectangle a square?
Both statements are not always true. A square is a rectangle (a shape four sides and four corners which are all right angles) but a rectangle is not necessarily a square (a shape with four equal sides and four corners that are all right angles).
What shape has4 right angles?
A shape that has four right angles is a rectangle. If all four sides are equal in length, then it is a square.
What does a rhombus a kite and rectangle have in common?
They all have the square shape.
What kind of shape is quadrilateral?
square, rectangle and all that jazz
Will diogonally cutting a rectangle produce a symmetrical shape?
No not at all
