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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 4 · Set 1 · Q7
In the given figure, a circle is centred at $\displaystyle (1, 2)$. The diameter of the circle is
Official answer
From CBSE’s own marking scheme for this paper.
(D)
$\displaystyle 2 \sqrt{5}$
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CBSE Class 10 Mathematics past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.