Write a program to find the area of a Circle. Use function to find area where area = pi * r ^ 2( r means radius, ^ means power and the value of pi is 3.144) .
Source Code in C:
#include<stdio.h>
float checkArea(float radius)
{
float area;
area=3.14159*(radius*radius) ;
return area;
}
int main()
{
float r, area_of_circle=0;
printf ("\nEnter Radius: ");
scanf ("%f", &r);
area_of_circle=checkArea(r);
printf ("\nArea is: %f", area_of_circle);
}
Source Code in C:
#include<stdio.h>
float checkArea(float radius)
{
float area;
area=3.14159*(radius*radius) ;
return area;
}
int main()
{
float r, area_of_circle=0;
printf ("\nEnter Radius: ");
scanf ("%f", &r);
area_of_circle=checkArea(r);
printf ("\nArea is: %f", area_of_circle);
}
#include
উত্তরমুছুন#include
int check_area(radius);
int main()
{
int n,shohan;
printf("\n Enter radius:");
scanf("%d",&n);
shohan=check_area(n);
printf("\n Area is %d",shohan);
getch();
return 0;
}
int check_area(int radius)
{
int r;
r=3.14159*radius*radius;
getch();
return r;
}
#include
উত্তরমুছুন#include
float check_area(float);
main()
{
float n,result;
printf("\n Enter radius\n:");
scanf("%f",&n);
result=check_area(n);
printf("\n Area is %f",result);
getch();
return 0;
}
float check_area(float radius)
{
float r;
r=3.14159*radius*radius;
getch();
return r;
}
#include
উত্তরমুছুন#define PI 3.1416
float area_of_rectangle(float length,float width)
{
float result;
result=(length*width);
return (result);
}
main()
{
float length,width;
printf(" \nEnter the value of length : ");
scanf("%d",&length);
printf(" \nEnter the value of width : ");
scanf("%d",&width);
printf("%d",area_of_rectangle(length,width));
return 0;
}
#include
উত্তরমুছুনfloat checkArea(float radius)
{
float r;
r=3.14159*radius*radius;
return r;
}
void main()
{
float n,result;
printf("Enter radius:");
scanf("%f",&n);
result=checkArea(n);
printf("\nArea is %f",result);
}
#include
উত্তরমুছুনusing namespace std;
float areaa()
{
int r;
cout<<"enter the value of r"<>r;
return (float)3.1416*r*r;
}
main()
{
int a;
float area=0;
area=areaa();
cout<<"the areaa is:"<<area<<endl;
}
#include
উত্তরমুছুনusing namespace std;
float area_of_rectangle(float length,float width)
{
float result;
result=(length*width);
return(result);
}
main()
{
float length,width;
cout<<"enter the value of length:"<>length;
cout<<"enter the value of width:"<>width;
cout<<"area_of_rectangle(length,width)"<<endl;
return 0;
}
Id-201210803
উত্তরমুছুন#include
#define pi 3.1416
using namespace std;
float ar(float x)
{
return pi*x*x;
}
int main()
{
float r,area=0;
cout<<"enter the value of radious";
cin>>r;
area=ar(r);
cout<<"the area is"<<area;
}
#include
উত্তরমুছুনusing namespace std;
class area_of_circle
{
public:
int radious;
area_of_circle();
~area_of_circle();
void show();
};
area_of_circle::area_of_circle()
{
cout<<"Enter a value as the radius of the circle: ";
cin>>radious;
}
void area_of_circle::show()
{
double area=3.1416*radious*radious;
cout<<endl<<"Area is: "<<area<<endl;
}
area_of_circle::~area_of_circle()
{
cout<<endl<<"DESTRUCTING"<<endl;
}
main()
{
area_of_circle ob1,ob2;
ob1.show();
ob2.show();
}
#include
উত্তরমুছুনusing namespace std;
class area
{
public:
int rad;
area();
~area();
void output();
};
area::area()
{
cout<<"Enter the radious: ";
cin>>rad;
cout<<endl;
}
void area::output()
{
float result=3.1416*rad*rad;
cout<<"AREA: "<<result<<endl;
}
area::~area()
{
cout<<endl;
}
int main()
{
area obj;
obj.output();
return 0;
}
#include
উত্তরমুছুনusing namespace std;
class cons
{
public:
int radius;
cons(int rad);
~cons();
double area();
};
cons::cons(int rad)
{
radius = rad;
}
double cons::area()
{
float pi = 3.1416;
double result;
result = pi * (radius*radius);
return result;
}
cons::~cons()
{
cout << "[+]MEMORY RELEASED[+]\n";
}
int main()
{
int i;
cout << "Enter your circle radius --: ";
cin >> i;
cons obj(i);
cout << "The area of the circle -- " << obj.area() << "\n";
return 0;
}
id- 201510505
batch 48
#include
উত্তরমুছুনusing namespace std;
class area
{
public:
int rad;
area();
~area();
void result();
};
area::area()
{
cout<<"Enter the radius:";
cin>>rad;
cout<<endl;
}
void area::result()
{
float result=3.1416*rad*rad;
cout<<"Area:"<<result<<endl;
}
area::~area()
{
}
int main()
{
area ob;
ob.result();
return 0;
}
ID 201510280
48TH
#include
উত্তরমুছুনusing namespace std;
class circle
{
public:
circle(int r);
~circle()
{
}
};
circle::circle(int r)
{
cout<<3.1416*r*r;
}
int main()
{
int r;
cout<<"Input Radious of circle: ";
cin>>r;
circle appel(r);
}
using C++
উত্তরমুছুন#include
using namespace std;
class cons
{
public:
int radius;
cons(int rad);
~cons();
double area();
};
cons::cons(int rad)
{
radius = rad;
}
double cons::area()
{
float pi = 3.1416;
double result;
result = pi * (radius*radius);
return result;
}
cons::~cons()
{
cout << "[+]MEMORY RELEASED[+]\n";
}
int main()
{
int i;
cout << "Enter your circle radius --: ";
cin >> i;
cons obj(i);
cout << "The area of the circle -- " << obj.area() << "\n";
return 0;
}
using c++
উত্তরমুছুনarea of circle by constructor
mamun ur rashid
#include
using namespace std;
class circle
{
public:
float a,radius;
circle();
~circle();
void result();
};
circle::circle()
{
cout<<"Enter a number :" ;
cin>>radius;
}
circle::~circle()
{
}
void circle::result()
{
a=3.14155*(radius*radius);
cout<<a;
}
int main()
{
circle sb;
sb.result();
}
#include
উত্তরমুছুনusing namespace std;
class circle
{
public:
float area,radius;
circle();
~circle();
void result();
};
circle::circle()
{
cout<<"Enter the value :" <>radius;
}
circle::~circle()
{
}
void circle::result()
{
area=3.1416*(radius*radius);
cout<<area;
}
int main()
{
circle sb;
sb.result();
}
#include
উত্তরমুছুনusing namespace std;
class area
{
public:
double radius,result;
area();
~area()
{
cout<<"Distructor active";
}
double func()
{
result=(3.1416*radius*radius);
cout<<"The area of the circle: "<>radius;
}
int main()
{
area obj;
obj.func();
return 0;
}
id:201510660
#include
উত্তরমুছুনusing namespace std;
class Divisible
{
public:
int num;
Divisible();
~Divisible()
{
cout<<"Distructor active";
}
int func()
{
if(num%5==0)
cout<<"The number is divisible"<>num;
}
int main()
{
Divisible obj;
obj.func();
return 0;
}
id:201510660
#include
উত্তরমুছুনusing namespace std;
class area
{
public:
double radius,result;
area();
~area()
{
cout<<"Distructor active";
}
double setu()
{
result=(3.1416*radius*radius);
cout<<"The area of the circle: "<>radius;
}
int main()
{
area obj;
obj.setu();
return 0;
}
id:201510992
using c++
উত্তরমুছুন#include
using namespace std;
class cons
{
public:
int radius;
cons(int rad);
~cons();
double area();
};
cons::cons(int rad)
{
radius = rad;
}
double cons::area()
{
float pi = 3.1416;
double result;
result = pi * (radius*radius);
return result;
}
cons::~cons()
{
cout << "[+]MEMORY RELEASED[+]\n";
}
int main()
{
int i;
cout << "Enter your circle radius --: ";
cin >> i;
cons obj(i);
cout << "The area of the circle -- " << obj.area() << "\n";
return 0;
}
ID : 201620195
উত্তরমুছুনhttps://www.dropbox.com/s/95b9tmlr9rd712b/01.cpp?dl=0
ID:201520552
উত্তরমুছুন1)https://drive.google.com/open?id=0B5pG0kIjzgEKenJyOXh2Skw0ekU
2)https://drive.google.com/open?id=0B5pG0kIjzgEKNGc0ckV3aUl0QjQ
ID:201520552
উত্তরমুছুন2)https://drive.google.com/open?id=0B5pG0kIjzgEKbS1aUzdUZHdxckE