请翻译As shown in the following diagram,there is a triangle ABC
请翻译As shown in the following diagram,there is a triangle ABC.Now we extend the length of Side AB to Point D,which makes BD=ab; while we estend the length of Side AC to point E,which makes CE=2AC;THUS we can get a bigger triangle ADE.Now please calculate the area ratio of Triangle ADE to Triangle ADE Triangle ADE to Triangle ABC.