Surface Area of Sphere & Hemisphere Explained | CSA & TSA Formulas with Examples | Class 9 Maths
Автор: Maths Made Easy by PlanetSpark | Class 9th & 10th
Загружено: 2025-12-07
Просмотров: 31
Описание:
Master the surface areas of spheres and hemispheres with clear formulas, visuals, and real-life examples!
In this Class 9 Maths Chapter 11 lesson, you will learn:
✔ How to calculate Curved Surface Area (CSA) and Total Surface Area (TSA) of spheres & hemispheres
✔ Real-life applications — domes, bowls, balls, globes, containers
✔ Step-by-step solved examples using π = 22/7 and 3.14
✔ Radius-based calculations made easy for exams
✔ Concept clarity + exam-oriented questions for strong mensuration basics
Perfect for Class 9 students preparing for school exams and building a strong foundation.
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