a Three cities are at the vertices of an equilateraltriangle of unit length. Flying Lion Airlines needs tosupply connecting service between these three cities.What is the minimum length of the two routes neededto supply the connecting service?b Now suppose Flying Lion Airlines adds a hub at the“center” of the equilateral triangle. Show that the length of the routes needed to connect the three cities has de-creased by 13%. (Note: It has been shown that no mat-ter how many “hubs” you add and no matter how many points must be connected, you can never save more than 13% of the total distance needed to “span” all the orig-inal points by adding hubs.)†

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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a Three cities are at the vertices of an equilateral
triangle of unit length. Flying Lion Airlines needs to
supply connecting service between these three cities.
What is the minimum length of the two routes needed
to supply the connecting service?
b Now suppose Flying Lion Airlines adds a hub at the
“center” of the equilateral triangle. Show that the length
of the routes needed to connect the three cities has de-
creased by 13%. (Note: It has been shown that no mat-
ter how many “hubs” you add and no matter how many
points must be connected, you can never save more than
13% of the total distance needed to “span” all the orig-
inal points by adding hubs.)†
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