In a circle of radius 21 cm,an arc subtends an angle of 60 at the centre.Find:
(i) the lenght of the arc
(ii) area of the sector formed by the arc
(iii) area of the segment formed by the corresponding chord
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In a circle of radius 21 cm,an arc subtends an angle of 60 at the centre.Find:
(i) the lenght of the arc
(ii) area of the sector formed by the arc
(iii) area of the segment formed by the corresponding chord
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