Question

what are respectively the curved surface area and volume of a hemisphere of radius 21 cm ? ( Take 22/7)
A. 1772 cm², 19404 cm²
B. 4158 cm², 19404 cm²
C. 2772 cm², 4158 cm²
D. 2772 cm², 9702 cm²​

Answer 1

Answer:

A is the correct answer

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

C. 2772 cm^2, 4158cm^2

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