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[https://teacher-network.in/OER/hi/index.php/%E0%A4%A4%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A5%81%E0%A4%9C Hindi]
== Concept Map ==
== Concept Map ==
== Additional Resources ==
== Additional Resources ==
== Teaching Outlines ==
== Teaching Outlines ==
=== Concept 1: ===
=== Concept 1: Introduction to Triangles ===
Briefly describe the concept (2-3 sentences)
Briefly describe the concept (2-3 sentences)
{{Geogebra|yfkCbEs8}}
Download the [https://teacher-network.in/OER/images/0/0a/Introduction_to_Triangle.ggb Geogebra file] and open/edit in your computer using the Geogebra application
=== Activities ===
=== Activities ===
===== Evaluation at the end of the activity =====
===== Evaluation at the end of the activity =====
=== Concept 2: ===
=== Concept 2: Properties of a Triangle ===
Briefly describe the concept (2-3 sentences)
Briefly describe the concept (2-3 sentences)
{{Geogebra|BPXkyfte}}
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
{{Geogebra|H8798yBj}}
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
{{Geogebra|kUJ6udef}}
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
{{Geogebra|uyXcmvYD}}
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 ===
=== Solved problems/ key questions (earlier was hints for problems) ===
=== Solved problems/ key questions (earlier was hints for problems) ===
=== Concept 3: ===
=== Concept 3: Area of Triangles ===
Briefly describe the concept (2-3 sentences)
Briefly describe the concept (2-3 sentences)
{{Geogebra|SsQMKrk7}}
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
{{Geogebra|JgMBhrC3}}
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
=== Activities ===
=== Activities ===
