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From: stanwyck@ihuxr.UUCP (Don Stanwyck)
Newsgroups: net.math
Subject: Re: And another high school problem (solved?)
Message-ID: <671@ihuxr.UUCP>
Date: Thu, 29-Sep-83 09:39:55 EDT
Article-I.D.: ihuxr.671
Posted: Thu Sep 29 09:39:55 1983
Date-Received: Fri, 30-Sep-83 22:55:47 EDT
Organization: BTL Naperville, Il.
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Newsgroups: net.math
Subject: Re: And another high-school problem.
References: <219@ecn-ed.UUCP>

------------------------------------------------------------------------------
	Here's another problem I heard as a 9th grader. If somebody
solved it in 5 minutes, please let me know. I didn't, and neither di
my teacher, friends, cousins and others who were shown the problem.

	Given an isocele triangle ABC with A = 20 degrees, B = C = 80 deg.
On AB take a point D such that AD = BC. Find the angle ABD.

	Hao-Nhien Vu (pur-ee!norris)
------------------------------------------------------------------------------

                              A
                              /\
                             /  \
                            /    \
                          D/      \          AD = BC, D on AB
                          /        \
                         /          \
                        --------------
                       B             C


Obviously, the angle ABD  (took 30 seconds or so)   is 0 degrees, (or if 
you prefer, 360 degrees)

Right??   If not, where did I go wrong?  All I did was draw the problem as
stated and look at it..............

                Don Stanwyck            ihnp4!ihuxr!stanwyck