Answer
Two doors connect the outside, E, to room C; Doors. The number of doors connecting the outside, E to the room C is shown by the edges of the graph that connect E to C.
Work Step by Step
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 10 - Geometry - 10.7 Beyond Euclidean Geometry - Exercise Set 10.7 - Page 676: 11
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