Plain Figures is a method of presenting numbers so they are reader friendly. It is based around the work statisticans Tufte, Ehrenberg, Chapman and others and set out, among other places in British Standard 7581:1992 A Guide to the Presentation of Tables and Graphs published by the British Standards Institute. There are various books on the subject including Ehrenberg's A Primer in Data Reduction, Chapman's Plain Figures and Bigwood & Spore's Presenting Numbers, Tables and Charts.
Plain area
the area and perimeter of the plane figures are square ,rectangle
mostly plain area
the any sides of figures.....
A plain
The area of Southern Great Plain is 18,339 square kilometers.
The area of Barisey-au-Plain is 10.85 square kilometers.
The area of Beuzeville-au-Plain is 2,040,000.0 square meters.
The area of Neuville-au-Plain is 4,700,000.0 square meters.
The area of Joué-du-Plain is 14.56 square kilometers.
figures with the same volume does not have the same surface area.
The area of Saint-Mary-le-Plain is 21.8 square kilometers.