19. This problem will prepare you for the Concept Connection on page 34. Archaeologists at Valley Forge were eager to find what remained of the winter camp that soldiers led by George Washington called home for several months. The diagram represents one of the restored log cabins. a. How is C related to _ AE ? b. If AC = 7 ft, EF = 2 (AC) + 2, and AB = 2 (EF) - 16, what are AB and EF?