Скачать или смотреть Class 9 Maths NCERT Ch 7 | Triangles #05 | Theorem 7.2 & 7.3 pg.95 & 96 | Example 4 to 6 pg. 96 & 97

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Maths (NCERT)
✔️ Chapter: Triangles
✔️ Topic Name: Basics of Triangles (Part 5) | Theorem 7.2 & 7.3 pg.95 & 96 | Example 4 to 6 pg. 96 & 97 | 7.4 Some Properties of a Triangle
✔️ Topics Covered In This Video (By Vineet Sir): This video is about the basics of triangles, a major topic in the 9th grade Maths curriculum according to the NCERT book. Learn the fundamentals of triangle types, properties and theorems from Vineet Sir and equip yourself with the necessary skills to conquer every problem related to it. Place your worries aside and stay ahead of your class with Vineet Sir’s unique approach to Maths. So, buckle up and get ready to sail through your Triangles chapter in no time!
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Theorem 7.2 : Angles opposite to equal sides of an isosceles triangle are equal.
Theorem 7.3 : The sides opposite to equal angles of a triangle are equal.
Example 4 : In ∆ ABC, the bisector AD of ∠ A is perpendicular to side BC (see Fig. 7.27). Show that AB = AC and ∆ ABC is isosceles.
Example 5 : E and F are respectively the mid-points of equal sides AB and AC of ∆ ABC (see Fig. 7.28). Show that BF = CE.
Example 6 : In an isosceles triangle ABC with AB = AC, D and E are points on BC such that BE = CD (see Fig. 7.29). Show that AD = AE.
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