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Tvillingcirklar
Linköping University, Department of Mathematics. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-3681-3535
2009 (Swedish)In: Normat - Nordisk matematisk tidskrift, ISSN 0801-3500, Vol. 57, no 1, 22-31 p.Article in journal (Refereed) Published
Abstract [en]

This ties with previous articles on the arbelos of Archimedes, but instead of starting with two tangent circles, enclosed in a common tangent circle, no conditions are imposed on the two. We then get two cases, whether the circles intersect or not, and a detailed study is made on the nesuing circles. Much of the motivation for this paper is how the problems can be used to illustrate the power of various dynamic geometry software available on the market since the 80's.

Place, publisher, year, edition, pages
Göteborg: Nationellt Centrum för Matematikutbildning , 2009. Vol. 57, no 1, 22-31 p.
Keyword [sv]
geometri, arbelos, cirklar
National Category
Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-54173OAI: oai:DiVA.org:liu-54173DiVA: diva2:300622
Available from: 2010-02-26 Created: 2010-02-26 Last updated: 2016-11-30

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Bergsten, Christer

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