The circumference of a circle if the radius is 6.25 meters is: 39.3 meters.
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625 pi = 1,963.5 (rounded)
Area of Circle = pi x r^2 = pi x 25 x 25 = pi x 625 If you need a decimal answer multiply 625 x 3.14159
There are: pi*25^2 = 625*pi square meters
25 meters times 25 meters = 625 square meters
The largest pen you can make is a circle with a circumference of 100 meters.Its diameter is 31.83 meters, and its area = 795.77 square meters.It's a lot easier to just go with a square ... the largest area you can make with straight sides.Use the 100 meters of fence to enclose a (25 x 25) square. The area is 625 square meters.