The chart that shows the value of every aspect of an entity. It represent properties of an entity visually, with areas so that we can easily regconize the strong/weakness, etc...
Here is an example:
What is the name of this kind of chart/graph?
I would go with "radar chart". I list some options below.
Radar Chart: https://www.packtpub.com/books/content/including-charts-and-graphics-pentaho-reports-part-2, http://www.arcplan.com/en/blog/tag/chart-types/, http://isu.ifmo.ru/docs/bip_1013/bip.1013/e10416/biptempbld.htm, http://www.theinformationlab.co.uk/2013/08/05/radar-charts-in-tableau/
Wikipedia also gives these options: web chart, spider chart, star chart, star plot, cobweb chart, irregular polygon, kiviat diagram.