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| + | ''[http://karnatakaeducation.org.in/KOER/index.php/ತ್ರಿಭುಜಗಳ_ಸರ್ವಸಮತೆ ಕನ್ನಡದಲ್ಲಿ ನೋಡಿ]''</div> |
| <!-- This portal was created using subst:box portal skeleton --> | | <!-- This portal was created using subst:box portal skeleton --> |
| <!-- BANNER ACROSS TOP OF PAGE --> | | <!-- BANNER ACROSS TOP OF PAGE --> |
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| [[File:similar_and_congruent_triangles.mm]] | | [[File:similar_and_congruent_triangles.mm]] |
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| + | Here is the concept map of Congruency of triangle |
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| + | [[File:CONGRUENCY OF TRIANGLE.mm|Flash]] |
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| === Additional Resources === | | === Additional Resources === |
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| *Web resources: | | *Web resources: |
| **This videos is related congruence of triangle. | | **This videos is related congruence of triangle. |
− | {{#widget:YouTube|id=HwbTJNcZsuc}} {{#widget:YouTube|id=PJ6TVVdIHpg}} | + | {{#widget:YouTube|id=HwbTJNcZsuc}} {{#widget:YouTube|id=PJ6TVVdIHpg}} {{#widget:YouTube|id=5of3Z9hr_7A}} |
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| + | {{#widget:YouTube|id=mFpvOZP4aPI}} |
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| *Books and journals | | *Books and journals |
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| ====Non-OER==== | | ====Non-OER==== |
| *Web resources: | | *Web resources: |
− | **[https://www.mathsisfun.com/geometry/triangles-congruent-finding.html Math is fun] | + | **[https://www.mathsisfun.com/geometry/triangles-congruent-finding.html Math is fun] : This website gives descriptions and diagrams related to rules of congruency |
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| *Books and journals | | *Books and journals |
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| Shapes can be combined together to form congruent shapes. Identifying such shapes for congruence is explored in this activity. | | Shapes can be combined together to form congruent shapes. Identifying such shapes for congruence is explored in this activity. |
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− | ====== [[Congruence of regular geometric shapes]] ====== | + | ====== [[Congruence of regular geometric shapes|Congruence of geometric shapes]] ====== |
| This activity involves in identifying the congruent shapes among the shapes of different geometric shapes.<span></span><span></span> | | This activity involves in identifying the congruent shapes among the shapes of different geometric shapes.<span></span><span></span> |
| ====Concept # 2. Postulates for congruence of triangles.==== | | ====Concept # 2. Postulates for congruence of triangles.==== |
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| # A pair of corresponding angles and a non-included side are equal.-- AAS (angle angle side) congruency postulate. | | # A pair of corresponding angles and a non-included side are equal.-- AAS (angle angle side) congruency postulate. |
| # HL (hypotenuse leg of a right triangle) :Two right triangles are congruent if the hypotenuse and one leg are equal.Also known as RHS postulate. | | # HL (hypotenuse leg of a right triangle) :Two right triangles are congruent if the hypotenuse and one leg are equal.Also known as RHS postulate. |
− | =====Activities #===== | + | =====Activity 1===== |
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| ====== [[Congruence in triangles – SSS Rule]] ====== | | ====== [[Congruence in triangles – SSS Rule]] ====== |
− | Investigating the possibility of congruence if three sides of a triangle are congruent. | + | Investigating the possibility of congruence if three sides of two triangles are congruent. |
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| + | ===== Activity 2 ===== |
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| ====== [[Congruence in triangles – SAS Rule]] ====== | | ====== [[Congruence in triangles – SAS Rule]] ====== |
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| ====== [[Introduction to similar triangles|Introduction to similar triangles]] ====== | | ====== [[Introduction to similar triangles|Introduction to similar triangles]] ====== |
− | Concept of similarity is introduced and investigated by comparing triangles and their elements. | + | Concept of similarity is introduced and investigated by comparing elements of two triangles. |
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| ==== Concept # 5. Tests for similarity ==== | | ==== Concept # 5. Tests for similarity ==== |
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| === Assessments - question banks, formative assessment activities and summative assessment activities === | | === Assessments - question banks, formative assessment activities and summative assessment activities === |
| <span></span><span></span> | | <span></span><span></span> |
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| + | [[Category:Triangles]] |
| + | [[Category:Class 8]] |
| + | [[Category:Class 9]] |