Surface Area of Sphere, Hemisphere, Cone & Cylinder in 100 Seconds!

Описание: 📘 Learn all important Surface Area Formulas of Sphere, Hemisphere, Cone, and Cylinder in just one short video!
Perfect for Class 9 & 10 CBSE students or anyone revising Mensuration / Surface Area & Volume chapter.
💡 Simple explanation + quick memory tricks = perfect exam prep!

👉 Formulas Covered:
• Sphere: 4πr²
• Hemisphere: 3πr² (Total), 2πr² (Curved)
• Cone: πr(l + r) (Total), πrl (Curved)
• Cylinder: 2πr(h + r) (Total), 2πrh (Curved)

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