The perimeter of the sector of a circle of radius 21 cm which subtends an angle of 60° at the centre of circle, is :
CBSE Class 10 Maths PYQ · Areas Related to Circles · Perimeter sector · 1 Mark · March 2024 · Standard
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111 Mark · March 2024 · Standard
The perimeter of the sector of a circle of radius $21 \text{ cm}$ which subtends an angle of $60^{\circ}$ at the centre of circle, is :
- (a)$22 \text{ cm}$
- (b)$43 \text{ cm}$
- (c)$64 \text{ cm}$
- (d)$462 \text{ cm}$
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