Question

write C++ program on area of circle​

Answer 1

Answer:

#include <iostream>

using namespace std;

int main() {

float radius, area_circle;

// take radius as input

cout << "Enter the radius of circle: ";

cin >> radius;

area_circle = 3.14 * radius * radius;

cout << "Area of circle: " << area_circle << endl;

return 0;

}

Explanation:

Answer 2

Answer:

#include<iostream.h>

#include<conio.h>

voud main()

{

clrscr();

float r, area;

cout<<"\nEnter radius of the circle";

cin>>r;

area=3.14*r*r;

cout<<"\nArea of circle is= "<<area;

getch();

}