package com.pattern.proxy;

public class Triangle implements IGeometry {
	double side1,side2,side3,area;
	Triangle(double a,double b,double c){
		this.side1 = a;
		this.side2 = b;
		this.side3 = c;
	}
	@Override
	public double getArea() {
		double p = (side1+side2+side3)/2.0;
		area = Math.sqrt(p*(p-side1)*(p-side2)*(p-side3));
		return area;
	}

}