Question

write a c program to find the area of circle whose diameter will be entered by the user​

Answer 1

Answer:

#include <iostream>

 

int main()

{

float radius, area;

 

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

std::cin >> radius;

area = 3.14 * radius * radius;

std::cout << "Area of circle with radius "<< radius << " is " << area;

}