A. Key A White House B. Washington Monument C. Natural History Museum D. Smithsonian E National Portrait Gallery F National Gallery of Art .C. F. Find the length between landmark A and landmark E.
The length between landmark A (White House) and landmark E (National Portrait Gallery) would depend on the specific route taken. However, both landmarks are located in Washington, D.C., so the distance between them should be relatively short. It would be best to use a mapping service or GPS to determine the exact length between these two landmarks, as it can vary depending on the specific streets and paths chosen.
