Area Related to Circle Class 10 | RD Sharma Ex 12.2 Solutions | Full Explanation | CBSE 2025

Area Related to Circle Class 10 | RD Sharma Ex 12.2 Solutions | Full Explanation | CBSE 2025 Exam Preparation Welcome to Desire Maths Classes, your trusted platform for Class 10 Maths CBSE Exam Preparation 2025! In this detailed video, we will solve RD Sharma Class 10 Maths Chapter 12 – Areas Related to Circles, Exercise 12.2 (All Questions) step-by-step, with full explanation and concept clarity. This exercise focuses on arc length, sector area, central angle, and applications of circle formulas — one of the most important chapters for CBSE Term 2 and Final Board Exams. Each question is solved in an easy-to-understand way so that every student can master this topic and score full marks in the exam. --- 📘 Timestamps 00:03 - Intro: Desire Maths Classes 00:04 - Q1: Find in terms of π (angle = 30°, radius = 4 cm) 01:00 - Q2: Find the angle of sector (radius = 5 cm, arc length = 5π/3 cm) 02:18 - Q3: Find the radius of circle (arc = 25 cm, angle = 144°) 03:38 - Q4: Area of sector is one-twelfth of complete circle 04:29 - Q5: Find length and area of sector (radius = 21 cm, angle = 120°) 05:59 - Q6: Find area swept by minute hand (length = 5 cm, time between 6:05 to 6:40) 09:00 - Q7: Perimeter of sector = 27.2 m, radius = 5.7 m — find area 11:38 - Q8: Circle radius = 6 cm, chord = 10 cm, angle = 110° 15:08 - Q9: Most important question — Proof-based question using tan θ and sec θ --- 📚 Concepts Covered Arc Length Formula = (θ/360) × 2πr Area of Sector = (θ/360) × πr² Relationship between arc, radius, and angle Applications of sector area in clocks and real-life problems Derivations and proof-type questions for CBSE Board 2025 --- 💡 Why Watch This Video 100% NCERT + RD Sharma based Step-by-step explanation of each question Visual understanding of arc, sector, and segment Doubt-free preparation for CBSE 2025 exams Covers all types of questions (Formula-based, Application, and Proof type) --- 🔥 Important Questions Discussed ✅ Arc subtending angle at the center ✅ Finding central angle using arc length ✅ Area ratio between sector and full circle ✅ Application of minute hand formula ✅ Real-life use of arc and sector concepts ✅ Proof questions for exam practice --- 🏆 Perfect for: CBSE Class 10 Board Students (2025 Batch) RD Sharma, RS Aggarwal, and NCERT Practice Students preparing for Final Exams, School Tests, and Pre-Boards --- 🧾 About This Channel 📺 Desire Maths Classes — Best channel for Class 9 & 10 CBSE Maths. We simplify tough concepts with tricks, clear explanations, and real board-level questions. Join our Telegram group for notes and updates: t.me/desiremathsclasses Don’t forget to LIKE 👍, SHARE ↗️, and SUBSCRIBE 🔔 for daily maths solutions and exam tips! --- 🧩 area related to circle class 10 area related to circle class 10 rd sharma solutions rd sharma class 10 chapter 12 exercise 12.2 area related to circle class 10 all questions class 10 maths rd sharma ex 12.2 cbse board 2025 maths class 10 maths area related to circle explanation rd sharma area related to circle ex 12.2 full solution area related to circle important questions sector area and arc length class 10 area of sector formula class 10 area related to circle proof questions --- 🔖 RD Sharma Class 10 Exercise 12.2, Area Related to Circle Class 10, Area Related to Circle RD Sharma Solutions, CBSE Board Exam 2025 Maths, Class 10 Maths Chapter 12 Solutions, Desire Maths Classes, Maths Class 10 Chapter 12 Full Explanation, Class 10 Maths Important Questions, Area of Sector and Arc Length, CBSE Class 10 Exam Preparation 2025 --- ✨ Stay Connected: 🔹 YouTube: Desire Maths Classes 🔹 Telegram: Desire Maths Classes (Free Notes + PDFs) https://t.me/Desiremathsclasses_offical 🔹 Instagram: https://www.instagram.com/desiremaths... Facebook: https://www.facebook.com/profile.php?... 💬 #Class10Maths #AreaRelatedToCircle #RDSHARMA #CBSE2025 #MathsSolutions #DesireMathsClasses #BoardExamPreparation #MathsWithDesire #RDSHARMAClass10 #MathsTricks #StudyWithDesire