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This GeoGebra applet interactive allows students to move the points of a triangle and observe the changes in angles and side lengths, and find out the names of the triangles formed.
|Teaching strategies and pedagogical approaches
|Strand and focus
|Shapes and objects
|AC: Mathematics (V9.0) content descriptions
Classify triangles, quadrilaterals and other polygons according to their side and angle properties; identify and reason about relationships
Understanding geometric properties (P4)
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