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  • 10% of one side of an A3… (Intelligent mind required)
  • Whathaveisaidnow
    Free Member

    ,,,piece of paper is in mm?

    Want a portion of an A3 piece of paper as a square shape or rectangle in mm?

    I’m biiiizzzyyyy , so anyone with a superior brain and time care to the math, would be a great help.

    Posted 9 years ago
    Whathaveisaidnow
    Free Member

    i’ve just realised this is ridiculously easy…brain in gear at last.

    Posted 9 years ago
    Drac
    Full Member

    Really? You can’t move a decimal point?

    Posted 9 years ago
    russianbob
    Free Member

    Lazy more like –

    29.7mm x 42mm directly proportioned.

    35.32mm x 35.32mm as a square.

    Posted 9 years ago
    GrahamS
    Full Member

    29.7mm x 42mm directly proportioned.

    Depends what exactly the OP is trying to ask, but that isn’t 10% of an A3 (297mm × 420mm) sheet.

    It is 1%.

    Posted 9 years ago
    DougD
    Full Member

    93.9mm x 132.8mm

    edit
    Above is rectangular keeping A3 ratio (1:1.41)

    Square would be 111.7mm x 111.7mm

    Posted 9 years ago
    Whathaveisaidnow
    Free Member

    59.4mm x 210mm or 118.8 x 105 (squareish) 🙂

    Posted 9 years ago
    GrahamS
    Full Member

    Square is easy.

    It is just ?(297×420/10) = 111.6870628139177mm 8)

    Posted 9 years ago
    Whathaveisaidnow
    Free Member

    Square would be 111.7mm x 111.7mm

    looks bang on, for this purpose I’m thinking my 210 x 59.4 will suit best.

    Thanks all and some lovely fails 🙂

    Posted 9 years ago
    Whathaveisaidnow
    Free Member

    what would the diameter of a circle be at 10% ? 🙂

    Posted 9 years ago
    GrahamS
    Full Member

    what would the diameter of a circle be at 10% ?

    Your question would be clearer if it included the word “area”.

    10% of the diameter is obvious.
    The diameter of a circle with 10% of the area is a bit trickier.

    A = ? r²

    So for 10% area:

    A/10 = ? r²

    Then rearrange for r.

    Posted 9 years ago
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