UPSKILL MATH PLUS

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In a circle of radius \(21 cm\), an arc subtends an angle of \(60^°\) at the centre. Find:
 
(i) the length of the arc
 
(ii) area of the sector formed by the arc
 
(iii) area of the segment formed by the corresponding chord
Answer variants:
\(231cm^2\)
\(150 cm^2\)
\(22cm\)
\(25cm\)
\(50.26 cm^2\)
\(40.27cm^2\)