Some of number is wrong!!!
Data is short!!!
Enter the known data:
|n||=||- amount of sides|
|a||=||- length of side|
|r||=||- radius of inscribed circle|
|R||=||- radius of circumscribed circle|
The number of digits after the decimal separator in numbers:
a - side length of regular polygon, n - amount of sides, r - radius of inscribed circle, R - radius of circumscribed circle.
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