Any good stationary store or on line stationary retailer will supply A3 paper.
The size of A3 paper is 420mm x 297mm
A4 paper is exactly half the size of A3, and they both have the same aspect ratio. So A4 --> A3 is an enlargement. Most photocopiers use A4 as standard. You need a larger photocopier to copy onto A3. The photocopier will usually offer A4 --> A3 as an option.
no . A3 is bigger than A4 .
No :P
A3 paper can be purchased from a number of brick and mortar stores such as Staples and WHSmith. Alternatively one can get it online from sites such as Amazon.
A3.
a paper smaller than the average sized printer paper (A4)
Sra3 320 x 450mm , for printing A3 with bleed
The dimensions of an A3 size paper are 297 mm x 420 mm or 11.7 in x 16.5 in. It is twice the size of an A4 paper.
Photo paper is required for printing out pictures from your home. Getting this paper is not a hassle at all. Going to nearby camera stores or even large electronic companies will all surely have this A3 photo paper.
Two - A sheet of A4 paper is exactly half the size of a sheet of A3.
A3 poster paper is 297X420 A2 poster paper is 420x592 hope this helps you :)