Home  >  Class 9 Math  >  Class 9 Maths Practice Test: Surface Areas and Volumes - Surface Area of a Sphere

Total surface area of a hemisphere is 4158cm2, the diameter of the hemisphere is equal to __________ cm. (Take π = \(\frac{22}{7}\))

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Surface area of the sphere = 4 π r2 , where “r” is the sphere's radius.

There are three types of surface area in solids: lateral surface area (LSA), curved surface area (CSA), and total surface area (TSA).


Total surface area of a hemisphere is 4158cm<sup>2</sup>, the diameter of the hemisphere is equal to __________ cm. (Take π = \(\frac{22}{7}\))






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