class Geometry::Circle
Attributes
radius[RW]
Public Class Methods
new(radius)
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# File lib/geometry-befr.rb, line 80 def initialize(radius) @radius = radius end
Public Instance Methods
area()
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# File lib/geometry-befr.rb, line 88 def area Math::PI * (@radius ** 2) end
circumference()
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# File lib/geometry-befr.rb, line 84 def circumference 2 * @radius * Math::PI end