Answer
3 miles
Work Step by Step
A to B = 5 miles
B to C = 13 miles
A to B to C = 5 + 13 = 18 miles
A to C = 15 miles
Detour from A to C is 3 miles longer than the road from A to C.
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 1 - Section 1.3 - Early Definitions and Postulates - Exercises - Page 29: 7
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