In a circle of radius 21cm, an arc subtends an angle of $60^{0}$ at the centre. Find (i) the length of the arc (ii) area of the sector formed by the arc. $(U s e π \frac{22}{7})$

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In a circle of radius 21cm, an arc subtends an angle of

60^{0}

at the centre. Find (i) the length of the arc (ii) area of the sector formed by the arc.

(U s e π \frac{22}{7})

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Question Text

In a circle of radius 21cm, an arc subtends an angle of

60^{0}

at the centre. Find (i) the length of the arc (ii) area of the sector formed by the arc.

(U s e π \frac{22}{7})

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