C Program To Calculate Area of Triangle

/*******************************************************************
C program to calculate area of triangle. Assign base and height values
Formula: area=1/2 *height*base
*****************************************************************/
#include<stdio.h>
void main()
{
float height=5.5;
float base=5.5;
float area;
area=0.5*height*base;
printf("The area of triangle is:%f\n",area);
printf("End of program");
}

The area of triangle is:15.125000

End of program

/*******************************************************************
C program to calculate area of triangle. Take user input 
Formula: area=1/2 *height*base
*****************************************************************/
#include<stdio.h>

#include<conio.h>
void main()
{
float height, base,area;

clrscr();
printf("Enter height and base of triangle\n");
scanf("%f%f",&height,&base);
area=0.5*height*base;
printf("The area of triangle is:%f\n",area);
printf("End of program");
}

Enter height and base of triangle

5 5

The area of triangle is:12.500000

End of program