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  1. #include<iostream>
  2. #define PI 3.1416
  3. using namespace std;
  4.  
  5. class Shape{
  6.     public:
  7.     float area, volume;
  8.     void display(){
  9.         cout<<"Area: "<<area<<endl;
  10.         cout<<"Volume: "<<volume<<endl;
  11.     }
  12. };
  13.  
  14. class Rectangle:public Shape{
  15.     float length;
  16.     float width;
  17.     float height;
  18.     public:
  19.  
  20.  
  21.     Rectangle(float l, float w, float h){
  22.         length=l;
  23.         width=w;
  24.         height=h;
  25.     }
  26.     void calculate(){
  27.         area=length*width;
  28.         volume=length*width*height;
  29.        display();
  30.     }
  31.  
  32. };
  33.  
  34. class Circle:public Shape{
  35.     float radius;
  36.     float height;
  37.     public:
  38.     Circle(float r, float h){
  39.         radius=r;
  40.         height=h;
  41.     }
  42.     void calculate(){
  43.         area=PI*radius*radius;
  44.         volume=PI*radius*radius*height;
  45.         display();
  46.  
  47.     }
  48. };
  49.  
  50. class Triangle:public Shape{
  51.     float base, height;
  52.     float length ;
  53.     public:
  54.     Triangle(float b, float h, float l){
  55.         base=b;
  56.         height=h;
  57.         length=l;
  58.     }    
  59.  
  60.     void calculate(){
  61.         area=0.5*height*base;
  62.  
  63.         volume=0.5*(base*height*length);
  64.  
  65.         display();
  66.     }
  67. };
  68.  
  69. int main(){
  70.     Circle r(4.0,3.0);
  71.     r.calculate();
  72.  
  73. }
Success #stdin #stdout 0s 5276KB
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stdin
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Standard input is empty
stdout
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Area: 50.2656
Volume: 150.797
https://ideone.com/Z699NC
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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