Скачать или смотреть Class 10 Maths | Circles | RD Sharma Ex 8.2 Qs no.24 (Perimeter of ΔABC) soln |Rd Sharma Solution

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In this video we solve RD Sharma Class 10 — Chapter 8 (Circles), Exercise 8.2, Question 24 step-by-step.
Problem summary: A is a point at a distance 13 cm from the centre O of a circle of radius 5 cm. AP and AQ are tangents at P and Q respectively. A tangent BC is drawn at a point R (lying on the minor arc PQ) which meets AP at B and AQ at C. Find the perimeter of triangle ΔABC.

👉 Old edition students: This corresponds to Chapter 3 (Circles) in the old edition. If you use the old book, search Ex. 3.2 to find the same question.


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✨ What you will learn in this lecture:
✔️ How to use tangent–radius perpendicularity (OP ⟂ tangent)
✔️ Right triangle properties and Pythagoras application to tangent lengths
✔️ Using equal tangent segments from a point to a circle
✔️ Constructing the required triangle and calculating its perimeter step-by-step
✔️ Exam-friendly shortcuts & clear geometric reasoning

By the end of this video you will be confident to solve similar perimeter problems based on tangents and circle geometry.


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🔗 Important Links (Add your links here):
📌 Full Playlist (Circles — Chapter 8): [Add Playlist Link Here]
📌 Previous Question (Q.23): [Add Link Here]
📌 Lecture No. 4 (Tangents & Applications): [Add Lecture Link Here]
📌 Next Question (Q.25): [Add Link Here]
📌 Visit Full Channel: [Add Channel Link Here]


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📢 Why watch this video?
This solution is explained with clear diagrams, reasons for every step and quick tips that save time during exams. Perfect for Class 10 board prep and strong concept clarity.


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If you want, I can also add a separate short video showing just the key diagram + formula — comment “DIAGRAM SHORT” below.


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