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zbMath1359.51009MaRDI QIDQ2807976

Berthold Schuppar

Publication date: 25 May 2016

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

pedal triangle similar triangles Feuerbach's nine-point circle generating point, dilative reflection

Mathematics Subject Classification ID

Convex sets in (2) dimensions (including convex curves) (52A10) Length, area and volume in real or complex geometry (51M25) Elementary problems in Euclidean geometries (51M04) Geometric constructions in real or complex geometry (51M15) General theory of linear incidence geometry and projective geometries (51A05)

Uses Software

GeoGebra

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