At that time it was called 'The Land of Yan and Zhao', because its northern area was dominated by the Kingdom of Yan, while its southern area was occupied by the Kingdom of Zhao. Today, that same area is home to more than 50 minority ethnic groups, such as Han, Hui, Manchu, Mongolian and Korean.
Pentagonal Prism Formula 1  : Area of Base(A) = Â½ * a * 5 * s Perimeter of Base(P) = 5s Surface Area of Prism = 5as + 5sh = 5as + Ph Volume of Prism = (5/2)ash = Ah. 2  a = apothem length, s = side, h = height.
To know how many edges a pentagonal prism has, it does not matter what type of prism you are working with. Be straight or oblique, the number of edges will not change. Ways to count the edges of a pentagonal prism 1- First form . Since the bases of the pentagonal prisms are pentagons, then each base has five edges.