There have been 3 recent posts in the span of around 10 minutes with generally the same types of questions all coming from low score accounts.

the length of a perpendicular inside of a triangle

Adding trisector vectors on an equilateral triangle

and this one which is seemingly unrelated but also has the formatting errors and 2021 in the problem

Recursive sum, boundary

I think these posts deserve a look into, they might probably be exam questions or contest questions.

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    $\begingroup$ That 3rd question seems to have been posted multiple times. Other users have posted links in the comments. $\endgroup$ Commented Apr 14, 2021 at 23:40
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    $\begingroup$ How did you conclude the accounts were from India tho? I checked the account in second and third post and they havent filled in location $\endgroup$
    – Babu
    Commented Apr 15, 2021 at 21:14
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    $\begingroup$ I think it is entirely inappropriate for a user to have concluded that. I edited the post. The OP may roll back my edit, however, in which case I think the post is worthy of a flag. $\endgroup$
    – amWhy
    Commented Apr 15, 2021 at 21:38
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    $\begingroup$ @amWhy I apologize for the assumption, the last post was by an Indian account and they all occurred within the same time frame and so I assumed it must be it, there was no malicious intent behind my assumption I myself am Indian. $\endgroup$ Commented Apr 16, 2021 at 1:22
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    $\begingroup$ I appreciate your clarification, Filthyscrub. We all need to be careful whether what we say or assume may be seen as offensive, even when speaking with the best of intentions. I do trust that you had no "malicious intent". Cheers! $\endgroup$
    – amWhy
    Commented Apr 16, 2021 at 1:34


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