Overview of the particular lines of the triangle – GeoGebra

Scalene Triangle – GeoGebra

On an arbitrary triangle, the sum of the lenghs of sides a + b + c

The angle of a given value in a certain plane : r/geogebra

G.2.4.2 What Information Do I Need? – GeoGebra

Triangle Maker – GeoGebra

Two Pairs of Parallel Lines in a Triangle

Special Lines in Triangles – GeoGebra

The Unit Equilateral Triangle and Arbitrary Triangle – GeoGebra

Geogebra tutorial - drawing triangles

Incircle of a triangle – GeoGebra

Area of a Triangle (Discovery) – GeoGebra

Important Lines in a Triangle – GeoGebra