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  1. using System;
  2.  
  3. public class CalculationSquare
  4. {
  5. 	public static void Main()
  6. 	{
  7.  
  8. 		Console.WriteLine("Площадь круга ...");
  9. 		Console.Write("Радиус (СМ) -> ");
  10.  
  11. 		double r = Convert.ToDouble(Console.ReadLine());
  12.  
  13. 		double s = 3.1415926 * r * r;
  14.  
  15. 		Console.WriteLine("\nПлощадь : {0} СМ2", Convert.ToInt32(s*100) / 100.0);
  16.  
  17. 	}
  18. }
Success #stdin #stdout 0.07s 30252KB
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stdin
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97.00001
stdout
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Площадь круга ...
Радиус (СМ) -> 
Площадь : 29559.25 СМ2
https://ideone.com/eomGsm
language:
C# (NET 6.0)
created:
2 days ago
visibility:
public

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