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java
3 years ago
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import java.util.*; public class heronsformula { static Scanner input = new Scanner(System.in); public static void main(String[] args) { double s1, s2, s3, area, S; System.out.println("Find the area of any triangle using Heron's Formula:"); System.out.println("----------------------------------------------------"); System.out.printf("Input the length of 1st side of the triangle: "); s1 = input.nextDouble(); System.out.printf("Input the length of 2nd side of the triangle: "); s2 = input.nextDouble(); System.out.printf("Input the length of 3rd side of the triangle: "); s3 = input.nextDouble(); S = (s1 + s2 + s3) / 2; area = Math.sqrt(S*(S-s1)*(S-s2)*(S-s3)); System.out.println("The area of the triangle is: " + String.format("%.4f", area )); } }
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