Calculate the surface areas of a hemisphere — task. Mathematics State Board, Class 10.

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Calculate the curved surface area and total surface area of a hemisphere of diameter 4.2 \(m\).

(i) Curved surface area of a hemisphere \(=\) \(m^2\)

(ii) Total surface area of a hemisphere \(=\) \(m^2\)

[Note: Round off your answer up to two decimal places.]

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7. Calculate the surface areas of a hemisphere