If it is folded out it is called a net. It forms two circles and a rectangle.
There is no such thing.
A quadrilateral rectangle or a square
A 2D shape with forty sides is known as a tentracontagon.
Its called a HEPTAGON
You cannot have a 2d cylinder. The 2d cross section will depend on the plane of the cross section.
the cylinder has 2 2d shapes: the 2 circles on the end
If it is folded out it is called a net. It forms two circles and a rectangle.
There is no such thing.
Well it depends if you look at it from the top it is a circle if you look at it from the side it is a rectangle.
You cannot have a 2d cylinder. The 2d cross section will depend on the plane of the cross section.
a circle is a 2D shape while a cylinder is 3D shape
no, it's a 3D shape. (:
A 2D sphere is a circle.
A 2d nine sided shape is called a nonagon.
circle, oval
The awnswer before was wrong. I was looking for the2D shape of a cylinder.