Quite possibly a plane shape whose shorter dimension is 0.035 metres.
The other dimension is the length which, conventionally, is the larger of the two.
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1750 sq. cm.
To find area, you multiply the length and width together, and 7x5 is 35, so 35cm2.
Suppose the width is W cm Then the length, L = W + 35 cm And the perimeter is 2W + 2L = 2W + 2(W+35) = 4W + 70 4W + 70 = 130 so that 4W = 60 or W = 15 and then L = W + 35 = 50 So the poster is 15 cm by 50 cm
Perimeter = 15+15+35+35 = 100 cm
Width = volume / (length x height)