Question

How to calculate the area of an equilateral triangle in C++

Answer 1

#include <iostream>
#include <cmath>

int main() {
    int a = 5;
    float equilateral_triangle_area = sqrt(3) / 4 * (a * a);  
   
    std::cout << "Equilateral Triangle Area = " << equilateral_triangle_area;  
}
 
 
 
 
/*
run:
     
Equilateral Triangle Area = 10.8253
 
*/

 

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