gistfile1.rb

class Quadrilateral

	attr_accessor :top, :bottom, :left, :right
	
	def initialize(left, top, right, bottom)
		@left = left
		@right = right
		@bottom = bottom
		@top = top
	end
	def get_perimeter
		perimeter = @top+ @bottom + @left + @right
	end

end
class Rectangle < Quadrilateral
end

class Square < Rectangle
	def area
		@right * @top
	end
end
class Trapazoid < Quadrilateral
end

class Rhombus < Trapazoid
	def rhombus_length
		@right
	end
end

def test
 jeff =  Square.new(1,1,1,1)
  puts jeff.get_perimeter == 4
  puts jeff.area == 1
  puts jeff.left == 1
end

test
true
true
true
def test2
greg = Rhombus.new(2,2,2,2)
puts greg.rhombus_length == 2
end
test2
true