I think it is 500mm x 707mm or 19 5/8 in x 12 7/8 in if you want inches.
That is the Size of B2 size Paper sheet.
Size of B2 size Photograph is 5 cm x 7 cm.
force and motion
2cm by 2cm
appeture
karyotype
length
The B2 paper size is 19.7 x 27.8 inches.
force and motion
60 yards
a point on a line
The B2 is nowhere near the size or weight of an airbus. It is smaller in every respect.
The size or dimension of the word 'but' is three letters. The word for a person's backside or buttocks is referred to as a 'butt' so it's size or dimension would be 4 letters in length.
A point in math has no linear dimension (hence size).
To find a missing dimension of an object find the size of its covering properties.
a plane
point
2cm by 2cm
Probably the same way we perceive a photograph of a person. It'd seem flat.