The picture at the right shows the ﬂoor plan of an oﬃce. once, starting and ending at A. plan a walk that passes through each doorway exactly Use graph theory ideas to prove that it is impossible to plan a walk that passes through each doorway exactlyonce, starting and ending at A.

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The Answer of The picture at the right shows the ﬂoor plan of an oﬃce. once, starting and ending at A. plan a walk that passes through each doorway exactly Use graph theory ideas to prove that it is impossible to plan a walk that passes through each doorway exactlyonce, starting and ending at A.

The Picture at the Right Shows the ﬂOor Plan of an Oﬃce