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Heron's Formula

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Java Heron's formula

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  1. import java.util.Scanner;
  2.  
  3. public class HeronsFormula {
  4. 	public static void main(String[] args){
  5. 		Scanner input = new Scanner(System.in);
  6. 		System.out.print("Input the three sides");
  7. 		double sidea = input.nextDouble();
  8. 		double sideb = input.nextDouble();
  9. 		double sidec = input.nextDouble();
  10. 		System.out.println("The lengths of the sides of your triangle are: " + '\n' + sidea + '\n' + sideb + '\n' + sidec);
  11.  
  12.  
  13. 		System.out.println("The area of your triangle using Heron's Formula is: " + getArea(sidea,sideb,sidec));
  14.  
  15. 	}
  16.  
  17. 	public static double getArea(double a, double b, double c) { //method calculates area
  18. 		double s = (a + b + c)/2.0; //s = perimeter/2
  19. 		System.out.println("s is: " + s);
  20. 		double x = ((s) * (s-a) * (s-b) * (s-c)); //herons formula
  21. 		double area = Math.sqrt(x); //math function to square the input from herons formula
  22. 		return area;
  23. 	}
  24. }

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