class Geometry::Circle
Attributes
radius[RW]
Public Class Methods
new(radius)
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# File lib/geometry-bgw.rb, line 79 def initialize(radius) @radius = radius end
Public Instance Methods
area()
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# File lib/geometry-bgw.rb, line 87 def area Math::PI * (@radius ** 2) end
circumference()
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# File lib/geometry-bgw.rb, line 83 def circumference 2 * @radius * Math::PI end