Chord AB subtends an angle of 40° at the centre of the circle of radius 9 cm. The length of arc AB is :
CBSE Class 10 Maths PYQ · Areas Related to Circles · Perimeter sector · 1 Mark · March 2026 · Basic
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331 Mark · March 2026 · Basic
Chord AB subtends an angle of $40^\circ$ at the centre of the circle of radius $9$ cm. The length of arc AB is :
- (a)$\frac{22}{7}$ cm
- (b)$\frac{198}{7}$ cm
- (c)$\frac{44}{7}$ cm
- (d)$\frac{54}{7}$ cm
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