In a circle of radius \(28\ cm\), an arc subtends an angle of \(60^°\) at the centre. Find:
(i) the length of the arc \(cm\).
(ii) area of the sector formed by the arc \(cm^2\).
(Note: Use \(\pi = \frac{22}{7}\)).
Answer variants:
39.33
412.67
410.67
29.33
34.33
420.67