Create a base class shape use the class two store double type value that could be used to compare the area. A drive to specific classes called triangle and rectangle. From the base shape and a member in get data to the base class to initialize base data member and another function display area., C++ program

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Subject Name	C++
Program Name	shape, triangle and rectangle Inheritance
Program Description	Create a base class shape use the class two store double type value that could be used to compare the area. A drive to specific classes called triangle and rectangle. From the base shape and a member in get data to the base class to initialize base data member and another function display area.



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Program Code
/* Create a base class shape use the class two store double type value that could be used to compare the area. A drive to specific classes called triangle and rectangle. From the base shape and a member in get data to the base class to initialize base data member and another function display area. / #include<iostream.h> #include<conio.h> class shape { protected: double x,y; public: void get(int a,int b) { x=a; y=b; } virtual void display_area()=0; }; class rec:public shape { public: void display_area() { cout<<"\nx = "<< x <<", y = "<< y <<" "; cout<<"\nArea of Rectangle : "; cout<<xy; } }; class tri:public shape { public: void display_area() { cout<<"\nx = "<< x <<", y = "<< y <<" "; cout<<"\nArea of Triangle : "; cout<<0.5xy; } }; int main() { clrscr(); shape ptr; rec r1; tri t1; r1.get(5,3); t1.get(6,7); ptr=&r1; ptr->display_area(); ptr=&t1; ptr->display_area(); getch(); return 0; } /OUTPUT: Area of Rectangle : 15 Area of Triangle : 21 */


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To Run C++ Program 1. #include<iostream.h> change to #include<iostream> 2. #include<math.h> change to #include<cmath>; 3. #include<string.h> change to #include<cstring>; 4. Add line using namespace std; These all(1 to 4) will be done automatically..., So don't worry.

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