gistfile1.rb

class Shape
  attr_accessor :color

  def can_fit?(shape)
    area > shape.area
  end
end

class Rectangle < Shape
  attr_accessor :width, :height
  def initialize(width, height, color="Red")
    @width, @height, @color = width, height, color
  end

  def area
    @width * @height
  end
end

class Square < Rectangle
  def initialize(width, color= "Red")
    super(width, width, color)
  end
end

class Circle < Shape
  attr_accessor :radius
  def initialize(radius, color= "Red")
    @radius, @color = radius, color
  end

  def area
    Math::PI * (radius ** 2)
  end
end