c = int.Parse(Console.ReadLine());
Console.WriteLine(4*(a+b+c));
}
}
}
15. To’g’ri burchakli parallelopipedning tomonlari mos ravishda a,b va c haqiqiy sonlarga teng.Uning to’la yuzasini toping.
using System;
namespace RahimovDilmurod
{
class Program
{
static void Main(string[] args)
{
int a,b,c;
a = int.Parse(Console.ReadLine());
b = int.Parse(Console.ReadLine());
c = int.Parse(Console.ReadLine());
Console.WriteLine(2*(a*b+b*c+a*c));
}
}
}
16.Radiusi r haqiqiy soniga teng bo’lgan aylananing uzunligini hisoblang.
using System;
public class Program //RahimovDilmurod
{
public static void Main()
{
double r,l;
r=double.Parse(Console.ReadLine());
l=Math.PI*(r*2);
Console.WriteLine(l);
}
}
17.Radiusi r haqiqiy soniga teng bo’lgan doiraning yuzini hisoblang.
using System;
public class Program//RahimovDilmurod
{
public static void Main()
{
double r,s;
r=double.Parse(Console.ReadLine());
s=Math.PI*(r*r);
Console.WriteLine(s);
}
}
18.Tomoni a haqiqiy soniga teng bo’lgan muntazam uchburchakning yuzasini toping.
using System;
public class Program//RahimovDilmurod
{
public static void Main()
{
double a,s;
a=double.Parse(Console.ReadLine());
s=a*a*Math.Sqrt(3)/4;
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