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Mathematics · 2023 · 1 mark
CBSE 2023 · Region 5 · Set 1 · Q11
In the given figure, AB is a tangent to the circle centered at O. If $\displaystyle \mathrm{OA}=6 \mathrm{~cm}$ and $\displaystyle \angle \mathrm{OAB}=30^{\circ}$, then the radius of the circle is :
Official answer
From CBSE’s own marking scheme for this paper.
(A)
$\displaystyle 3$ cm
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CBSE Class 10 Mathematics past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.