8th Class Mensuration Exercise 9.2 Q5 to Q10 | TSA & LSA of Cube, Cuboid, Cylinder |Full Explanation

In this video, we will solve Exercise 9.2 Question No. 5 to 10 from 8th Class Mathematics – Mensuration Chapter, specially focusing on finding the Total Surface Area (TSA) and Lateral Surface Area (LSA) of 3D solids like Cube, Cuboid, and Cylinder. Each problem is solved step-by-step with clear explanation, shortcuts, and correct formula usage so that students can easily follow and understand the concepts without any confusion. 📌 Concepts Covered in This Video: ✔ What is Lateral Surface Area (LSA)? ✔ What is Total Surface Area (TSA)? ✔ Difference between TSA & LSA ✔ TSA & LSA of a Cube ✔ TSA & LSA of a Cuboid ✔ Curved Surface Area (CSA) & TSA of a Cylinder ✔ Important formulas and real-life examples 📘 Formula Summary Used in This Lesson: Cube • LSA = 4a² • TSA = 6a² Cuboid • LSA = 2h(l + b) • TSA = 2(lb + bh + lh) Cylinder • Curved Surface Area (CSA) = 2πrh • TSA = 2πr(r + h) These formulas are explained in detail with solved problems from the textbook. 📝 Exercise 9.2 – Questions Solved in This Video Q5 ✓ Q6 ✓ Q7 ✓ Q8 ✓ Q9 ✓ Q10 ✓ All solutions are accurate and presented in a simple method suitable for exam preparation. 🎯 Why Students Must Watch This Video: ✔ Improves problem-solving skills ✔ Very useful for FA & SA exams ✔ Easy memory tricks for formulas ✔ Practice questions included ✔ Helps in competitive exam basics ✔ Designed for English Medium students 👨‍🏫 Best for: 🔹 8th Class Maths – Exercise practice 🔹 Students preparing for school exams 🔹 Teachers for classroom explanation 🔹 Anyone learning Mensuration basics ✨ Watch the full video and pause wherever needed to practice along with me. If you have any doubts, feel free to comment — I will respond and help you immediately. Thank you for watching and supporting F MATHS Channel. Like 👍 Share ↗️ Subscribe 🔔 for more Maths videos!