RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 21. Surface Area and Volume of a Sphere

Subject: Mathematics - Class 9th

Q. No. 2 of CCE - Formative Assessment

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2

The total surface area of a hemisphere of radius r is

Total surface area of a hemisphere = curved surface area + base area


total surface area of a hemisphere of radius r is = 2πr2 + πr2 = 3πr2

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