Scale Help

Guys... Stop posting up if you don't know the answer...


It's 1:12.5


Think of a 10cm square box. At A3, and 1:10 scale, it is 1x1cm on paper. A1 paper is twice the length and twice the width of A3. If your box increases in size with the paper it is now 2x2cm, or 1:5.

So, to go from A3 to A1, you can halve the scale.
 
Guys... Stop posting up if you don't know the answer...


It's 1:12.5


Think of a 10cm square box. At A3, and 1:10 scale, it is 1x1cm on paper. A1 paper is twice the length and twice the width of A3. If your box increases in size with the paper it is now 2x2cm, or 1:5.

So, to go from A3 to A1, you can halve the scale.

This man, speaka de truth.
 
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