C++ Programming Code Examples C++ > Computer Graphics Code Examples Write a program in C++ to calculate area of an equilateral triangle. Write a program in C++ to calculate area of an equilateral triangle. #include<iostream> using namespace std; #include<math.h> main(){ float s1; float area; cout << "\n\n Calculate the area of the Equilateral Triangle :\n"; cout << " ----------------------------------------------------\n"; cout<<" Input the value of the side of the equilateral triangle: "; cin>>s1; area = sqrt(3)/4*(s1*s1); cout<<" The area of equilateral triangle is: "<<area<<endl; cout << endl; return 0; }