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.
Surface area of prism is the sum of the lateral surface area and twice the base area of the prism. The surface area of a square prism formula is as follows, Area of a Square Prism = 2A + Ph. where, A = (side)$^2$ = Base area, P = 4 $\times$ side = Perimeter of a base of the prism and h-Height of prism.