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| + | ''[http://karnatakaeducation.org.in/KOER/index.php/ತ್ರಿಭುಜಗಳ_ಸರ್ವಸಮತೆ ಕನ್ನಡ]''</div> |
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| [http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_Question_Papers Question Bank] | | [http://karnatakaeducation.org.in/KOER/en/index.php/Maths:_Question_Papers Question Bank] |
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− | While creating a resource page, please click here for a resource creation [http://karnatakaeducation.org.in/KOER/en/index.php/Resource_Creation_Checklist '''checklist''']. | + | While creating a resource page, please click here for a resource creation [http://karnatakaeducation.org.in/KOER/en/index.php/Resource_Creation_Checklist '''checklist'''] |
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− | === Concept Map ===
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| __FORCETOC__ | | __FORCETOC__ |
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− | [[File:similar_and_congruent_triangles.mm]]
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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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| # 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 two triangles 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 elements of two triangles.
| + | The 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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| =====Activities #===== | | =====Activities #===== |
| ======[[Similarity test - AA postulate]]====== | | ======[[Similarity test - AA postulate]]====== |
− | In two triangles, if the angles are equal, then the sides opposite to the equal angles are in the same ratio and hence the two triangles are similar. | + | In two triangles, if the angles are equal, then the sides opposite to the equal angles are in the same ratio and hence the two triangles are similar. |
− | | |
− | ==== Solved problems/ key questions (earlier was hints for problems). ====
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| === Projects (can include math lab/ science lab/ language lab) === | | === Projects (can include math lab/ science lab/ language lab) === |
| + | '''''Laboratory Manuals''' - Mathematics : [https://ncert.nic.in/pdf/publication/sciencelaboratorymanuals/classIXtoX/mathematics/lelm405.pdf Click here] to refer to activity 13,15,16,17 and 18'' which explains the similarity of two Triangles. |
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− | === Assessments - question banks, formative assessment activities and summative assessment activities ===
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| <span></span><span></span> | | <span></span><span></span> |
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| + | [[Category:Triangles]] |
| + | [[Category:Class 8]] |
| + | [[Category:Class 9]] |