Question

Write a c++program to find area of circle?

Answer 1

#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;
}