Find Area of a Circle
Problem:
Write a program that takes input from user about the radius of a circle as an integer and prints the circle's diameter, circumference and area. Use the constant value 3.14159 for ‘pi’.
Solution Code:
# include <iostream> using namespace std; int main() { int radius; double pi=3.14159; int diameter; double circumference; double area; cout<<"Enter the radius of circle:"<<endl; cin>>radius; cout<<"The diameter of circle is:"<<(2*radius)<<endl; cout<<"The Circumference of circle is:"<<(2*pi*radius)<<endl; cout<<"The Area of the Circle is:"<<(pi*radius*radius)<<endl; return 0; }
Write a program that takes input from user about the radius of a circle as an integer and prints the circle's diameter, circumference and area. Use the constant value 3.14159 for ‘pi’.
Solution Code:
# include <iostream> using namespace std; int main() { int radius; double pi=3.14159; int diameter; double circumference; double area; cout<<"Enter the radius of circle:"<<endl; cin>>radius; cout<<"The diameter of circle is:"<<(2*radius)<<endl; cout<<"The Circumference of circle is:"<<(2*pi*radius)<<endl; cout<<"The Area of the Circle is:"<<(pi*radius*radius)<<endl; return 0; }