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Vectors, centres and a touching theorem

Published online by Cambridge University Press:  01 August 2016

Graham Howlett
Graham Howlett*
Affiliation:
Charterhouse, Godalming, Surrey GU7 2DX
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Extract

Although it does not often feature in today’s syllabuses, the study of the incentre and circumcentre of a triangle can be a useful source of material for showing the applications of vector methods to geometry. This idea has featured in some recent Gazettes, but in this article I illustrate an alternative and essentially simpler vector approach.

Type
Research Article
Information
The Mathematical Gazette , Volume 74 , Issue 467 , March 1990 , pp. 26 - 30
Copyright
Copyright © The Mathematical Association 1990

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