Subject: paper sizes for engineering drawings
What are the bases of “A” sizes of paper for engineering drawing?
Area = A*B
B = A* √2
Area = A* A* √2
Area = A2* √2
Area of A0 size = 1 m2
A2* √2 = 1
A = √ (1/√2) = 0.84089
A = 0.841 m =841 mm
B = 841* √2
B = 1189 mm
See below
Iso paper sizes (snapshot from ASME Y14.1M)
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