A Program To Enter Three Sides Of A Triangle And Evaluate The Area.

#include<stdio.h> //header file, Standard Input Outpur related to the input and output operations
#include<conio.h.> //header file for console input and output
#include<math.h> //header file for basic mathematical operations
int main() //main method of the program which should always return a value if declared as int
{ //main func braces opened
	int s1,s2,s3; //variables to store the sides of the triangle
	printf("Enter the sides of the triangle"); //print func to print the message
	scanf("%d%d%d",&s1,&s2,&s3); //values accepted from user
	if((s1+s2+s3)!=180) //if block to check the possibility of triangle, where all sides should be equal to 180 degrees
	{  //if block braces opened
		printf("\nTriangle not possible"); //print func to print the message
	} //if block braces closed
	Else //else block, executes if the if block condition is not satisfied 
	{ //else block braces opened
		int a=(s1+s2+s3)/2; //logic to calculate are
		int area=sqrt(a*(a-s1)*(a-s2)*(a-s3)); //logic to calculate area
		printf("\nThe area of the triangle is %d",area); //print func to print the message
	} //else block braces closed
	return 0; //as main class is defined as int, therefore an return value
} //main func braces closed