Initial commit

1 files changed, 37 insertions, 0 deletions

diff --git a/MindBox.Lib/Circle.cs b/MindBox.Lib/Circle.cs
new file mode 100644
index 0000000..5793a26
--- /dev/null
+++ b/MindBox.Lib/Circle.cs
@@ -0,0 +1,37 @@
+namespace MindBox.Lib;
+
+public class Circle : FlatShape
+{
+	private readonly double _radius;
+	
+	public required double Radius 
+	{
+		get
+		{
+			return _radius;
+		}
+		init
+		{
+			if (value <= 0.0)
+			{
+				throw new ArgumentException($"Radius cannot be non-positive: {value}");
+			}
+			else
+			{
+				_radius = value;
+			}
+		}
+	}
+	public override double GetArea()
+	{
+		if (_area != null)
+		{
+			return _area.Value;
+		}
+		else
+		{
+			_area = Math.PI * _radius * _radius;
+			return _area.Value;
+		}
+	}
+}
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