Parameter and Area of the Circle Solver in Ruby

Write a program which accepts the radius of a circle from the user and compute the parameter and area using methods and display the result on the screen.

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Sample Program Output

Program Listing

area_circle.rb

# area_circle.rb

# Author   : Jake Rodriguez Pomperada,BSCS,MAED-IT

# Date     : June 17, 2019   Monday  2:37 PM  

# Address  : Bacolod City, Negros Occidental

# Tools    : Sublime Text and Ruby Version 2.6.3

# Location : Bacolod City, Negros Occidental  

# Website  : http://www.jakerpomperada.com

# Emails   : jakerpomperada@gmai.com and jakerpomperada@yahoo.com

def perimeter_solve(radius)

 return(2 * 3.141592653 * radius);

end

def area_solve(radius)

 return(3.141592653 * radius * radius);

end

radius = 5.00;

perimeter = 0.00;

area = 0.00;

print "\n\n";

print "\tParameter and Area of the Circle Solver";

print "\n\n";

print "\tRadius of the circle: ";

radius = gets.to_f

perimeter =  perimeter_solve(radius);

area = area_solve(radius);

print "\n";

print "\tDISPLAY RESULTS"

print "\n\n";

puts "\tThe perimeter is %.2f of the circle." % perimeter

print "\n";

puts "\tThe area is %.2f of the circle." % area

print "\n";

print "\tEnd of Program";

print "\n";