A square 25 x 25 would have an area of 625m2 but a circle with a 100m circumference would have an area of 795.8m2.
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The maximum area that you can contain with a 4-meter rope is a circle with a diameter of 4/π meters and an area of 4/π square meters, or about 1.273 square meters. If you use the rope to make an equilateral triangle with sides of 4/3 meter, you get an area of (4/9)(√3) or 0.770 square meters. If you use the rope to make a square with sides of 1 meter, you get an area of 1.000 square meter. If you make a polygon with more sides, the area bounded by your 4-meter rope will increase, approaching the limit of 4/π as the number of sides increases.
Oh, dude, let me do the math for you. So, if we have a 4.5 meter rope, that's like 450 centimeters. And if we're cutting 25 centimeter lengths, we can cut 18 of those bad boys from the rope. Easy peasy lemon squeezy.
55/2 = 27.5 so 27 with 1 remaining meter
Meter rulers, a rope of length one meter? More generally things of a human scale are around a meter, desks tend to be about a meter and a half long, bookcases tend to be around a meter wide, doors are normally around a meter wide and so on. (plus or minus about half a meter!)
The answer to this is 350cm. This is because 1 meter is 100 cm. So you must multiply 3.5 by 100 which gives you 350cm. Good luck! ;)