何權晉

1. #include <iostream>
   
2. using namespace std;
   
3. int main()
   
4. {
   
5.     float x, y;
   
6.     cout<<"enter the base of the triangle(cm):";
   
7.     cin>>x;
   
8.     cout<<"enter the height of the triangle(cm):";
   
9.     cin>>y;
   
10.     cout<<"The base is "<<x<<"cm, the height is "<<y<<"cm; therefore, the surface area will be "<<x*y/2<<"square centimeters."<<endl;
    
11.     system("pause");
    
12.     return 0;
    
13. }

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