What is the area of the largest possible quadrilateral with

What is the area of the largest possible quadrilateral with Is it the largest state in area? What is the sum of their area? 英语翻译Chongqing is a port city with the largest municipal area 英语翻译London is the largest urban area and capital of England which country is the largest geographc area in the world? knowledge of what is possible is the beginning of happiness What fraction of the area of large triangle is shaded 1.What is the largest ant in the world?(the key is 1 word of 猜猜:1.What is the largest ant in the world?2.What kind of mon What is the possible meaning of word pleas? What is the largest freshwater lake?