Driver Code
int main ( ) { float x1 = 3 ; float y1 = 1 ; float z1 = -2 ; float x2 = 1 ; float y2 = -3 ; float z2 = 4 ; float a = area ( x1 , y1 , z1 , x2 , y2 , z2 ) ; cout << " Area ▁ = ▁ " << a ; return 0 ; }