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Mathematics · 2025 · 1 mark
CBSE 2025 · Region 2 · Set 3 · Q3
If an arc of a circle of diameter 10 cm subtends an angle of 144° at the centre of the circle, then the length of the arc is:
If an arc of a circle of diameter $\displaystyle 10$ cm subtends an angle of $\displaystyle 144$° at the centre of the circle, then the length of the arc is :
Official answer
(B)
$\displaystyle 4 \pi \mathrm{~cm}$
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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.