Скачать или смотреть 🔥 Class 9 | Part 2 | ch-7 | Triangles Ex 7.1 | NCERT Solutions | CBSE 2025 Board Exam

🔥 Class 9 | ch-7 | Triangles Ex 7.1 Part 2 | NCERT Solutions | CBSE 2025 Board Exam Preparation

Welcome to Desire Maths Classes! 🙌
In this video, we cover Class 10 Mathematics Chapter 7: Triangles Exercise 7.1 Part 2 (NCERT Solutions) CBSE 2025 in the most simple and step-by-step manner. If you are preparing for your Board Exams 2025, this video is a must-watch to master the Triangles chapter.

📘 Questions Explained in this Video (Exercise 7.1 Part 2):

Q1. In Fig. 7.21, AC = AE, AB = AD and ∠BAD = ∠EAC. Show that BC = DE.
👉 This problem tests your skills in applying congruence rules (ASA criterion) to prove equality of line segments in two triangles.

Q2. AB is a line segment and P is its mid-point. D and E are points on the same side of AB such that ∠BAD = ∠ABE and ∠EPA = ∠DPB (Fig. 7.22). Prove that:
(i) ∆DAP ≅ ∆EBP
(ii) AD = BE
👉 A very important NCERT Ex 7.1 question based on mid-point properties and congruence of triangles.

Q3. In right triangle ABC, right angled at C, M is the mid-point of hypotenuse AB. C is joined to M and produced to a point D such that DM = CM. Point D is joined to B (Fig. 7.23). Show that:
(i) ∆AMC ≅ ∆BMD
(ii) ∠DBC is a right angle
(iii) ∆DBC ≅ ∆ACB
(iv) CM = ½ AB


👉 This is a classic and important question where properties of medians, congruence, and right triangles are beautifully combined. Very useful for CBSE 2025 exam preparation.


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✨ Why Watch This Video?
✔️ Complete step-by-step NCERT solutions for Triangles Exercise 7.1 Part 2
✔️ Easy explanations using simple language and clear logic
✔️ Perfect for CBSE Class 9 Board Exam 2025 preparation
✔️ Covers important congruence criteria (SSS, SAS, ASA, RHS)
✔️ Builds strong foundation for higher-level geometry

📚 Who is this video for?

Students of Class 9 CBSE 2025 preparing for board exams

Learners who want clear and detailed NCERT solutions

Teachers looking for quick revision and solution reference



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👉 Don’t forget to check our other videos on Class 10 Maths NCERT Solutions, including Polynomials, Arithmetic Progressions, Real Numbers, and Probability.

💡 Pro Tip: Make notes while watching this video and practice all NCERT examples and exemplar questions to score full marks in your board exams.


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