namespace C9_4
{
///
///定義直角三角形
///
public class RectTriangle : Triangle
{
new protected int a;
new protected int b;
public RectTriangle(int ra, int rb) :base(ra,rb,(int)(Math.Sqrt(ra*ra + rb *rb)))
{
a = ra;
b = rb;
}
public override int GetArea()
{
int area = (int)(a * b / 2);
return area;
}
public override void Draw()
{
Console.WriteLine("直角三角形");
Console.WriteLine("*");
Console.WriteLine("* *");
Console.WriteLine("* *");
Console.WriteLine("******");
}
}
}
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