Difference between revisions of "APSB - 7 - Maths :: Construction of triangles"
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| − | [ | + | <h2> Semester 1 </h2> <br> |
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| − | + | <h2> Semester 2 </h2> <br> | |
| − | + | [https://drive.google.com/file/d/1waKg2PeIli2w464kYiPQE38m7qhFYdEk/view TextBook Link ] <br> | |
| − | [https://drive.google.com/file/d/ | + | |
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=Videos= | =Videos= | ||
Revision as of 10:23, 21 July 2023
Go To: APSB-Mathematics-Grade 7
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[Author - Kripa S]
Objective: To learn how to contruct a triangle with given data
Subtopics to be covered:
- Construct when 3 sides given
- Construct when 2 sides and an angle given
- Construct when 2 angles and included side given
- Construct when for a rightangled triangle, one side and hypotenuse given
Learning Outcome:
- Students can construct a triangle based on information given
[Author - Kripa S]
http://www.mstworkbooks.co.za/mathematics/gr8/Maths_English_LG_gr8_term2-web-resources/image/60578.png (use of compass in constructing triangle)
https://my.homecampus.com.sg/images/notes/drawing_triangles_equilateral_step3.png (use of protractor to construct triangle)
http://pad1.whstatic.com/images/thumb/4/43/Construct-an-Isosceles-Triangle-Step-5.jpg/aid3190797-v4-728px-Construct-an-Isosceles-Triangle-Step-5.jpg (use of scale to construct triangle)
[Contributor - Aasma Ahmad]
1. Ask students to identify for which of the following measurements a triangle cannot be drawn and why?
- Construct ΔABC in which AB = 4 cm, BC = 5cm and ∠B +∠A = 130°.
- Construct ΔMAN with MA = 4 cm, ∠M +∠N = 80° and ∠A = 100°.
- Construct ΔPQR such that QR = 6 cm, ∠Q =∠R = 90°.
- Construct ΔABC, ∠B +∠C = 90, and BC = 6 cm; AB = 5 cm.
2. Divide class into 2 teams. Ask both the teams to give measurements to the other team in the following form, on the basis of which triangles can be drawn -
- Three sides of the triangle.
- Two sides and the angle included between them.
- Two angles and the side included between them
- Hypotenuse and one adjacent side of a right-angled triangle.
[Contributor - Praveen Jayaram]
https://drive.google.com/open?id=1t7a7eEUtZFuh-_pB7rDR__Ww8161eu6e
[Contributor - Koganti Manasa]
| Term | Transliterated Term | Translated Term |
| Construction | కన్స్ట్రక్షన్ | నిర్మాణం |
| Hypotenuse | హైపోటన్యూస్ | కర్ణం |
| Triangle | ట్రైయాంగిల్ | త్రిభుజం |
| Right angle | రైట్ యాంగిల్ | లంబ కోణం |
| Side | సైడ్ | భుజం |
[Contributor - Meghana Bommireddy]
https://drive.google.com/open?id=0BzNF2YyqQxJ-T1FubHpLTm5DMnc
[Contributor - Vaishnavi Ambati]
https://drive.google.com/open?id=18QeZDVHJErga8Q7IGXtzgI5CwhRQOZFY (Question bank - English)
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