10
If an arc subtends an angle of $90^\circ$ at the centre of a circle, then the ratio of its length to the circumference of the circle is :
- (a)$2:3$
- (b)$4:1$
- (c)$1:4$
- (d)$1:3$
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(B) $1:4$
If an arc subtends an angle of 90° at the centre of a circle, then the ratio of its length to the circumference of the…
CBSE Class 10 Maths PYQ · Areas Related to Circles · Perimeter sector · 1 Mark · March 2024 · Standard
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