Question
The radius of a hemisphere is 10 cm. What is the total
surface area of the hemisphere (including the base)?Solution
The total surface area of a hemisphere is given by: Surface Area = 3πr² Substitute the radius: Surface Area = 3 × 3.14 × 10² Surface Area = 3 × 3.14 × 100 Surface Area = 942 cm² Correct Option: b
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