Class: ArcLength::Circle

Inherits:

Object

Object
ArcLength::Circle

show all

Defined in:: lib/arc_length.rb

Instance Method Summary collapse

#calculate_arc_length(arc_measure) ⇒ Object
#initialize(radius) ⇒ Circle constructor

A new instance of Circle.

Constructor Details

#initialize(radius) ⇒ `Circle`

Returns a new instance of Circle.



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# File 'lib/arc_length.rb', line 6

def initialize(radius)
  @radius = radius
end

Instance Method Details

#calculate_arc_length(arc_measure) ⇒ `Object`

# File 'lib/arc_length.rb', line 10

def calculate_arc_length(arc_measure)
  begin
    circumference * (arc_measure.to_f/360)
  end
rescue TypeError
  raise ArgumentError
end