C Program to Find Area of Equilateral Triangle
#include<stdio.h>
int main()
{
float side, area;
printf("Enter side of an equilateral triangle: ");
scanf("%f",&side);
area = (sqrt(3)/4) * (side * side);
printf("Area of equilateral Triangle = %.2f sq. units", area);
return 0;
}
Output
Enter side of an equilateral triangle: 25
Area of equilateral Triangle = 270.63 sq. units