Incircle of a triangle

Step by step guide to construct a circle touching the sides of a triangle, offering a transition from empirical to theoretical approach to a geometric problem. Reference: Laborde, C. (2005). Robust and soft constructions: two sides of the use of dynamic geometry environments. In S.C. Chu, W.C. Yang and H.C. Lew (Eds). Proceedings of the Tenth Asian Technology Conference in Mathematics, Cheong-Ju, South Korea: Asian Technology Conference in Mathematics.


Anthony OR 柯志明

Resource Type
exploration  incenter  incentre  inscribed  locus  trace  triangle 
Target Group (Age)
11 – 14
English (United Kingdom)
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