Do the same window treatments, especially if both the rooms face the street.

They don't both face the street- here let me show you the proximity/positions of the rooms (hopefully this works I've been having trouble uploading photos):

should they still be dressed the same? I am not at all opposed, it would just raise more questions for me if I bought the same treatments:

***Is it OK to just do simple linen drapes over such a big window? How many panels would I need? Would I need wide panels?