There is landscape which is wide and better for a picture of a landscape and portrait which is for a portrait and tall.
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Most documents and magazines in printed in portrait format.
two - landscape and portrait
Piece of paper
two pieces of paper
Portrait.
Portrait.
Take a piece of paper and cut it in half (anywhere will do) and you will have two pieces of paper - and your original piece of paper has changed shape.
no
a piece of paper is a 3D object it has a front and back face + two side edges + a top and bottom edge = 6 sides a piece of paper has 6 sides
Take a rectangular piece of paper and fold it diagonally until you have a triangle that is two pieces of paper thick, Cut of the piece of paper that does not make up part of the triangle unfold it and you have a square.
On a piece of paper.
You see, if you are drawing in a piece of paper, then it is two dimensional.
a piece of paper, and a ruler