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Path: utzoo!watmath!clyde!cbosgd!ihnp4!houxm!vax135!cornell!uw-beaver!tektronix!hplabs!intelca!proper!judith
From: judith@proper.UUCP (Judith Abrahms)
Newsgroups: net.puzzle,net.math
Subject: Re: Polar Bear Problem Sequel
Message-ID: <388@proper.UUCP>
Date: Tue, 5-Nov-85 04:35:00 EST
Article-I.D.: proper.388
Posted: Tue Nov  5 04:35:00 1985
Date-Received: Thu, 7-Nov-85 05:47:12 EST
References: <855@whuxlm.UUCP> <593@hou2c.UUCP> <>
Reply-To: judith@proper.UUCP (judith)
Organization: Proper UNIX, Oakland CA
Lines: 13
Xref: watmath net.puzzle:1148 net.math:2480
Summary: Huh?

>I hate to clue everyone in but:
 ...
>such that the radius of a great-circle running E-W is the same as that
>of another great-circle running E-W which is 1 mile south. The only place
>this happens is the great-circle 1/2 mile north of the equator. Moving
>1 mile south places you on the great-circle 1/2 mile south of the equator
 ...
>                           ... Why can't people do simple high school geometry?
A great circle is one whose radius is the same as that of the sphere it's drawn
on.  The only East-West great circle on the planet is the equator.  Do you mean
circles of latitude?

J.A.