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Title: Experimenting with Different Approaches to Test Colinearity of Points
Authors: Rangelova, Penka
Staribratov, Ivaylo
Keywords: Collinear Points
Experimental Problems
Issue Date: 22-Nov-2010
Publisher: University Press "Paisii Hilendarski", Plovdiv
Abstract: The subject of collinearity of 3 points on a line is challenging for 7th- grade students. This article discusses the possibilities to demonstrate different approaches for solving collinearity of three points on a line: straight angle, axiom on the uniform mapping of an angle on a half-plane, parallel axiom, vector method, and homothetic features. The experiment was held using GEONExT to demonstrate by visual methods collinearity of three points on a line a district type of problems.
ISBN: 9789544236489
Appears in Collections:REMIA 2010

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