#!/usr/bin/perl
use strict;
use warnings;
print "What is the radius of the circle?";
chomp ($r = <>);
$diameter = (2 * $r);
$area = (3.14 * ($r ** 2));
$cir = ($diameter * 3.14);
print "Radius: $r\n Diameter: $diameter\n Circumference: $cir\n Area: $area";