Driver Code
int main ( ) { intx1 = -2 ; int y1 = 0 ; int z1 = -5 ; int x2 = 1 ; int y2 = -2 ; int z2 = -1 ; float a = area ( x1 , y1 , z1 , x2 , y2 , z2 ) ; cout << " Area ▁ = ▁ " << a << endl ; return 0 ; }