class Geometry::Circle

Attributes

radius[RW]

Public Class Methods

new(radius) click to toggle source
# File lib/geometry-bgw.rb, line 79
def initialize(radius)
  @radius = radius
end

Public Instance Methods

area() click to toggle source
# File lib/geometry-bgw.rb, line 87
def area 
  Math::PI * (@radius ** 2)
end
circumference() click to toggle source
# File lib/geometry-bgw.rb, line 83
def circumference 
  2 * @radius * Math::PI
end