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===Materials/ Resources needed===
===Materials/ Resources needed===
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Digital resources: Laptop, geogebra file, projector and a pointer
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* Digital : Computer, geogebra application, projector.
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* Non digital : Worksheet and pencil.
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* Geogebra file: [https://ggbm.at/kdfrzkvk Demo of similar triangles.ggb]
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[https://ggbm.at/qdsyfwem Similar triangle 1.ggb]
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[https://ggbm.at/q9yvw4hq Similar triangle 2 ratio.ggb]
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[https://ggbm.at/d4au8tap Similar triangle 3 ratio.ggb]
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{{Geogebra|kdfrzkvk}}{{Geogebra|qdsyfwem}} {{Geogebra|q9yvw4hq}}{{Geogebra|d4au8tap}}
===Process (How to do the activity)===
===Process (How to do the activity)===