43 lines
743 B
C#
43 lines
743 B
C#
using System;
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class Triangle
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{
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private int a;
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private int b;
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private int c;
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public Triangle(int a, int b, int c)
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{
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this.a = a;
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this.b = b;
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this.c = c;
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}
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public void Show()
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{
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Console.WriteLine("a: {0}\nb: {1}\nc: {2}", a, b, c);
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}
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public int Perimeter()
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{
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return a + b + c;
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}
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public double Area()
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{
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double p = Perimeter() / 2;
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return Math.Sqrt(p * (p - a) * (p - b) * (p - c));
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}
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public bool Exists()
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{
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if (a <= 0 || b <= 0 || c <= 0) return false;
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double maxSide = Math.Max(Math.Max(a, b), Math.Max(b, c));
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if (maxSide >= a + b + c - maxSide) return false;
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return true;
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}
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}
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