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Earn +20 ptsQ: How many microns are there in an A4 piece of card?
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How many a4 sheets in a square meter?
16
What Objects has rectangle shape?
book, A4 size paper, refrigerator, drawer, doors, microwave
How many square kilometres would 90000 sheets of standard A4 paper cover?
The A4 paper size is 1/16 of a square meter (A0 is 1 m2, A1 is 1/2, A2 is 1/4, A3 is 1/8). So 90,000 sheets would be 90,000/16 = 5,625 m2. 1 km2 = 1,000,000 m2. So you can see it is only a small fraction of a square kilometer, 0.005625 to be precise.
What is a7 paper?
Standard copying paper is A4, fold it in half and you get a A5. Fold it in half again and you get a A6, one last fold and you got a A7. So a A7 paper is a paper with the same proportions as a A4 paper but with 1/8 of the area. A7 size is 74mm x 105mm
Does a rectangle have a diagonal line of symmetry?
No, it does not. Take a sheet of A4 paper and fold it across the diagonal, and you will see that the two halfs do not line up.
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