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An arc of a circle is of length $5\pi$ cm and the sector it bounds has an area of $20\pi$ cm$^2$. Its radius is:
- (a)$10$ cm
- (b)$1$ cm
- (c)$5$ cm
- (d)$8$ cm
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(D) $8$ cm
An arc of a circle is of length 5π cm and the sector it bounds has an area of 20π cm 2 . Its radius is:
CBSE Class 10 Maths PYQ · Areas Related to Circles · Sector Area · 1 Mark · March 2025 · Standard
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