CBSE 2025 · Region 1 · Set 1 · Q15 · 1 mark
If a sector of a circle has an area of $\displaystyle 40 \pi$ sq. units and a central angle of $\displaystyle 72$°, the radius of the circle is :
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 10 \sqrt{2}$ units
Areas Related to CirclesArea of a Sector of a CircleApplymcqeasy
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CBSE Class 10 Mathematics past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.