Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 6/24/83; site proper.UUCP 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.