面積計算 (一) - 三角形

tonyh

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()    //主函式
   
5. {
   
6.     float a,b;   //int --> integer
   
7.     cout<<"三角形的底(公分): ";
   
8.     cin>>a;
   
9.     cout<<"三角形的高(公分): ";
   
10.     cin>>b;
    
11.     cout<<"底"<<a<<"公分,高"<<b<<"公分的三角形,面積為"<<a*b/2<<"平方公分."<<endl;
    
12.     system("pause");
    
13.     return 0;   
    
14. }

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古蕾娜

1. #include <iostream>
   
2. #include <cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {
   
6.     float a,b;
   
7.     cout<<"the area triangle's bottom (cm): ";
   
8.     cin>>a;
   
9.     cout<<"the area triangle's height (cm): ";
   
10.     cin>>b;
    
11.     cout<<"bottom"<<a<<"cm, height"<<b<<"cm of the triangle, the area is"<<a*b/2<<"sqaure."<<endl;
    
12.     system("pause");
    
13.     return 0;
    
14. }

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古昇暘

1. #include<iostream>
   
2. #include<cstdlib>
   
3. using namespace std;
   
4. int main()
   
5. {
   
6. float a,b;
   
7.        cout<<"the base of the traingle(cm): ";  
   
8.        cin>>a;
   
9.        cout<<"the height of the traingle(cm): ";
   
10.        cin>>b;
    
11.        cout<<" the base is "<<a<<" and the height is "<<b<<" so the area is "<<a*b/2<<" centemiter square "<<endl;
    
12.   system("pause");
    
13.   return 0;   
    
14. }

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