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Mathematics · 2026 · 1 mark
CBSE 2026 · Region 5 · Set 1 · Q7
If the area of Δ ABC with vertices A(3, 1), B (-2,1) and C (0, k ) is 5 sq. units, then values of k are:
If the area of $\displaystyle \Delta \mathrm{ABC}$ with vertices A$\displaystyle (3, 1)$, $\displaystyle \mathrm{B}(-2,1)$ and $\displaystyle \mathrm{C}(0, \mathrm{k})$ is $\displaystyle 5$ sq. units, then values of k are :
Official answer
(B)
$\displaystyle -1,3$
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CBSE Class 12 Mathematics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.