Yes cutting a rectangle in half (either horizontally or vertically) will yield two smaller rectangles (each of which is the same size and shape as the other).
yes Sometimes those rectangles could be squares, which are by definition a type of rectangle.
No.
By dividing it into two rectangles.
You are describing a triangular prism. It has a rectangular base, two rectangular sides and two triangular ends.
they can be any size but have to be the same shape
yes
Yes, they will be the same size and shape as each other.
Yes cutting a rectangle in half (either horizontally or vertically) will yield two smaller rectangles (each of which is the same size and shape as the other).
Yes
Yes
Yes.
yes Sometimes those rectangles could be squares, which are by definition a type of rectangle.
a tissue box for example because it's two bases are rectangles and the bases are connected by rectangles.
Yes. A 1 x 4 and a 2 x 3 have the same perimeter.
Two rectangles are seldom but sometimes similar. They can be but they don't have to.
No.