In a circle of radius 21 cm, an arc subtends an angle of 60^{\circ | Filo
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Class 11

Math

Calculus

Trigonometric Functions

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In a circle of radius 21 cm, an arc subtends an angle of  at the centre. Find 
(i) the length of the arc
(ii) area of the sector formed by the arc
(iii) the area of the segment made by this arc.

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