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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 2 · Q4
An arc of a circle is of length 5 π cm and the sector it bounds has an area of 20 π cm^2. Its radius is:
An arc of a circle is of length $\displaystyle 5 \pi$ cm and the sector it bounds has an area of $\displaystyle 20 \pi \mathrm{~cm}^{2}$. Its radius is :
Official answer
(D)
$\displaystyle 8$ cm
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CBSE Class 10 Mathematics past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.