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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

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asked Mar 15, 2018 in Mathematics by shabnam praween (19,050 points) ● 5 ● 6 ● 80

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

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answered Mar 15, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 23
selected Mar 20, 2018 by faiz
 
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(iii) Area of the segment formed by the corresponding chord = Area of sector

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