static void Main(string[] args)
{
try
{
Console.WriteLine("Tcirle");
TCircle c1 = new TCircle(4);
TCircle c2 = new TCircle(8);
Console.WriteLine($"Length = {c1.Length()} ");
Console.WriteLine($"Square = {c1.Square()} ");
if (c1 == c2)
{
Console.WriteLine("Equal");
}
else
{
Console.WriteLine("Not equal");
}
TCircle c3 = c1 + c2;
Console.WriteLine($"Sum {c1}+{c2} = {c3}");
TCircle c4 = c2 - c1;
Console.WriteLine($"Diff {c1}-{c2} = {c4}");
Console.Write("number = ");
double number = Convert.ToDouble(Console.ReadLine());
Console.WriteLine($"Mul :{c1 * number}");
Console.WriteLine("TCylinder");
TCylinder x1 = new TCylinder(4, 7);
TCylinder x2 = new TCylinder(8, 12);
Console.WriteLine($"Volume= {x1.Volume()} ");
Console.WriteLine($"Square = {x1.Square()} ");
TCylinder x3 = x1 + x2;
Console.WriteLine($"Sum {x1}+{x2} = {x3}");
TCylinder x4 = x2 - x1;
Console.WriteLine($"Diff ({x2}-{x1} = {x4}");
Console.WriteLine($"Mul :{x1 * number}");
}
catch
{
Console.WriteLine("Side of cylinder must be positive.");
}
}
public TCircle(TCircle b)
{
this.r = b.r;
}
