Northwest to the Pole and Two-Headed Coins (Math Chat)
Library Home || Full Table of Contents || Suggest a Link || Library Help
|Frank Morgan; Christian Science Monitor|
|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)|
|Resource Types:||Problems/Puzzles, Articles|
|Math Topics:||Elliptic & Spherical Geometry|
© 1994- The Math Forum at NCTM. All rights reserved.