Maribelle decorates molds for making candles. the molds have the shape of open-topped regular pentagonal prisms. each mold holds an approximate volume of 275 cubic centimeters of wax. the area of the base of a mold is approximately 27.5 square centimeters and the edge length of the base is 4 centimeters. what is the approximate surface area of a mold (not including a top)?