Download the [https://teacher-network.in/OER/images/d/dd/Types_of_Triangles-_Properties%2C_Conditions.ggb Geogebra file] and open/edit in your computer using the Geogebra application
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Download the [https://teacher-network.in/OER/images/1/1c/Exterior_Angle_Property_in_Triangle.ggb Geogebra file] and open/edit in your computer using the Geogebra application
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Download the [https://teacher-network.in/OER/images/6/67/Angle_Sum_Property_of_a_Triangle.ggb Geogebra file] and open/edit in your computer using the Geogebra application
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Download the [https://teacher-network.in/OER/images/e/ef/Exterior_Angle_of_a_Triangle.ggb Geogebra file] and open/edit in your computer using the Geogebra application
=== Activities ===
=== Activities ===
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Briefly describe the concept (2-3 sentences)
Briefly describe the concept (2-3 sentences)
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Download the [https://teacher-network.in/OER/images/a/a7/Area_of_a_Triangle.ggb Geogebra file] and open/edit in your computer using the Geogebra application
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{{Geogebra|JgMBhrC3}}
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Download the [https://teacher-network.in/OER/images/a/a1/Construction_of_Equilateral_Traingle.ggb Geogebra file] and open/edit in your computer using the Geogebra application