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From: eagle@ihuxs.UUCP (John Blumenstein)
Newsgroups: net.math
Subject: Pentagon thanx and another prob.
Message-ID: <589@ihuxs.UUCP>
Date: Tue, 14-Aug-84 09:50:40 EDT
Article-I.D.: ihuxs.589
Posted: Tue Aug 14 09:50:40 1984
Date-Received: Wed, 15-Aug-84 00:46:08 EDT
Organization: AT&T Bell Labs, Naperville, IL
Lines: 26



Forwarded from Michael Rios (NOT J. Blumenstein).
Subject: Thanx, here's another...

Yup, that's right.  Thank you for the overwhelming response to the pentagon
problem.  Now that you've laid to rest one little demon, could you do me
another favor...

  "The orthocenter of an isosceles triangle lies on the incircle of said
   triangle.  Determine the cosine of the vertex angle."

This came off some contest (I think Penn State) in 1983 or 84 and has haunted
some friends and I for a while.  Help, please?


		("The BBC would like to apologize for the next announcement.")
				Thanx,
				Michael Rios
				ihlpg!rioss

P.S.  Please don't send mail to J. Blumenstein, since I have to clean it all
      out.  Send it to the address above.
-- 
				John T. Blumenstein
				ihuxr!eagle