Calculate the curved surface area and total surface area of a hemisphere of diameter 84 \(cm\). \([\)Use \(\pi = \frac{22}{7}]\)
(i) Curved surface area of a hemisphere \(=\) \(cm^2\)
(ii) Total surface area of a hemisphere \(=\) \(cm^2\)
[Note: Round off your answer up to two decimal places.]