Class 9 chapter / surface area and volume / topic- Cone part 1 #maths #boostupclass

#class9maths #surfaceareaandvolume #cone #ncertmaths #class9ncert #mathsclass9 #boostupclasses #mathsgeometryclass9 #volumeofcone #csaofcone #tsaofcone #mathsinhindi #hindimaths #boardexam2025 #foundationmaths #learnmaths #mathsteacher #onlinemathsclass #mathsvideo #educationindia 🎯 BOOST UP CLASSES – Class 9 Maths Welcome to Boost Up Classes, your trusted learning partner for Class 9 Mathematics (NCERT). In this video, we are going to study one of the most important chapters: 📌 Surface Area and Volume of a Cone You will learn: ✔ What is a cone? ✔ Curved Surface Area (CSA) of Cone ✔ Total Surface Area (TSA) of Cone ✔ Volume of Cone ✔ Important formulas with derivation ✔ Step-by-step NCERT questions ✔ Exam-oriented examples & MCQs ✔ Common mistakes to avoid in board exams This lesson is specially designed for: 📘 Class 9 students 📘 Foundation for Class 10 Maths 📘 Competitive exam preparation --- 📚 Formula Revision • CSA of cone = πrl • TSA of cone = πr(l + r) • Volume of cone = ⅓πr²h Where, r = radius, h = height, l = slant height --- ✨ Why Boost Up Classes? 🔹 Easy explanation in Hindi & English mix 🔹 Concept clarity from basic to advanced 🔹 Best for weak students also 🔹 NCERT based teaching style --- 👍 Like | Share | Subscribe 🔔 Press the Bell Icon for regular Class 9 Maths updates. 📩 For notes & worksheets, follow us on Instagram: @boostupclass Let’s Boost Up Your Maths! 🚀