Question

wap in java to enter 3 sides of a triangle and find its area using herons formula​

Answer 1

Answer:

import java.util.*;

public class Triangle2

{

public static void main(String args[ ])

{

Scanner in=new Scanner(System.in);

int a,b,c;

double s=0.0,ar=0.0;

System.out.println("Enter the three sides of the triangle");

a=in.nextInt();

b=in.nextInt();

c=in.nextInt();

if(a+b>c&&b+c>a&&c+a>b)

{

s=(a+b+c)/2.0;

ar=Math.sqrt(s*(s-a)*(s-b)*(s-c));

System.out.println("The area of triangle="+ar);

}

else

System.out.println("Invalid input Triangle not possible");

}

}

See the attachment for better understanding.

Output is also given check.

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