Ruby program to find the area of the circle

Program/Source Code:

The source code to find the area of the circle is given below. The given program is compiled and executed successfully.

# Ruby program to find the 
# area of the circle

print "Enter radius: "
radius = gets.chomp.to_i  

area = 3.14 * radius * radius;

print "Area of circle: ",area

Output:

Enter radius: 1.2
Area of circle: 3.14

Explanation:

In the above program, we read the radius from the user and calculated the area of the circle. After that, we printed the result.