class Geometry::Circle

Attributes

radius[RW]

Public Class Methods

new(radius) click to toggle source
# File lib/gemometry.rb, line 60
def initialize(radius)
  @radius = radius.to_f
end

Public Instance Methods

area() click to toggle source
# File lib/gemometry.rb, line 68
def area
  Math::PI * @radius ** 2
end
circumference() click to toggle source
# File lib/gemometry.rb, line 64
def circumference
  2 * @radius * Math::PI
end