Mathematics · 2022
JEE Main · 29 July 2022, Shift 2 · Q13
Let A (α,-2), B (α, 6) and C ((α)/4,-2) be vertices of a ABC. If (5, (α)/4) is the circumcentre of ABC, then which of the following is NOT correct…
Let $\displaystyle \mathrm{A}(\alpha,-2), \mathrm{B}(\alpha, 6)$ and $\displaystyle \mathrm{C}\left(\frac{\alpha}{4},-2\right)$ be vertices of a $\displaystyle \triangle \mathrm{ABC}$. If $\displaystyle \left(5, \frac{\alpha}{4}\right)$ is the circumcentre of $\displaystyle \triangle \mathrm{ABC}$, then which of the following is NOT correct about $\displaystyle \triangle \mathrm{ABC}$ ?
Official answer
(2)
perimeter is $\displaystyle 25$
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JEE Main 2022 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.