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Northwest to the Pole and Two-Headed Coins (Math Chat)

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Visit this site: http://www.csmonitor.com/cgi-bin/getasciiarchive?script/97/07/11/071197.feat.feat.1

Author:Frank Morgan; Christian Science Monitor
Description: Suppose you start at the earth's equator and travel continuously northwest until you reach the North Pole. What does your path look like? How long is your path?

Levels: Middle School (6-8), High School (9-12)
Languages: English
Resource Types: Problems/Puzzles, Articles
Math Topics: Elliptic & Spherical Geometry

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