Let ABC Be Any Triangle
- 1 November 1988
- journal article
- Published by National Council of Teachers of Mathematics in The Mathematics Teacher
- Vol. 81 (8) , 640-642
- https://doi.org/10.5951/mt.81.8.0640
Abstract
Once upon a time, when geometry—of the Euclidean variety— was still taught, Mr. Griffiths, an enlightened teacher, began the lesson as follows.Keywords
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