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Puzzled: Solutions and sources

Published:01 September 2010Publication History
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Abstract

It's amazing how little we know about good old plane geometry. Last month (August 2010, p. 128) we posted a trio of brainteasers, including one as yet unsolved, concerning figures on a plane. Here, we offer solutions to two of them.

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      cover image Communications of the ACM
      Communications of the ACM  Volume 53, Issue 9
      September 2010
      97 pages
      ISSN:0001-0782
      EISSN:1557-7317
      DOI:10.1145/1810891
      Issue’s Table of Contents

      Copyright © 2010 ACM

      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Association for Computing Machinery

      New York, NY, United States

      Publication History

      • Published: 1 September 2010

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