C Program to calculate Area of an Equilateral Triangle ?

Q:- Write a C Program to Calculate Area of an Equilateral Triangle ?

Input

#include<stdio.h>

#include<conio.h>

#include<math.h>

int main()

{

float side,area;

clrscr();

printf(“Enter Side of an Equilateral Triangle=”);

scanf(“%f”,&side);

area = (sqrt(3)/(4))*(side*side);

printf(“Area of an Equilateral Triangle=%.3f”,area);

getch();

       }

Output

Enter Side of an Equilateral Triangle = 75

Area of an Equilateral Triangle = 2435.69 sq. units