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.
The length of each side is 10 feetand the width of each side is 6 feet. What is the surface area of the prism?Solution: 228 ft 2 Example C A triangular prism has a triangular end with a base of 12 inches and a height of 9 inches. The length of each side is14 inches and the width of each side is 9 inches.