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Line 15: − + − {{Geogebra|kdfrzkvk}}{{Geogebra|qdsyfwem}} − {{Geogebra|q9yvw4hq}}{{Geogebra|d4au8tap}} −
→Prerequisites/Instructions, prior preparations, if any
*Digital : Computer, geogebra application, projector.
*Digital : Computer, geogebra application, projector.
*Non digital : Worksheet and pencil.
*Non digital : Worksheet and pencil.
*Geogebra file: [https://ggbm.at/kdfrzkvk Demo of similar triangles.ggb] ,[https://ggbm.at/qdsyfwem Similar triangle 1.ggb], [https://ggbm.at/q9yvw4hq Similar triangle 2 ratio.ggb], [https://ggbm.at/d4au8tap Similar triangle 3 ratio.ggb]
*Geogebra file:
===Process (How to do the activity)===
===Process (How to do the activity)===
#The teacher can initially have a warm up session regarding terms congruence, similarity and corresponding angles and ratio.
#The teacher can initially have a warm up session regarding terms congruence, similarity and corresponding angles and ratio.