#include <iostream.h>
#include <conio.h>
int main() {   
    float base, altitude;
    
    cout << "Base: ";   
    cin >> base;
    
    cout << "Altitude: ";
    cin >> altitude;
    
    cout << endl << "Area:" << 0.5*base*altitude;
      
    getch();
    return 0;
}
Output:

