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Геометрия от Волчкевича

@volk_geometry

On this record: Growth · Engagement · Reactions · Posts · Citations · Telegram's recommendations · Cite this entry

11,648subscribers

+3 since we began measuring on 6 August 2026

Risers and fallers across the register · movement among entries of 10,000–31,623.

Register entry

Telegram ID-1001828386837
TypeChannel
Username@volk_geometry
CreatedBetween 1 October 2022 and 30 September 2023 — estimated from Telegram’s id allocation, not measured. How this range is calculated.
First recorded6 August 2026
Last confirmed live5 September 2026
Measurements held24
Confirmed unchanged1 time, most recently 5 September 2026
On Telegramt.me/volk_geometry

Growth

11,61711,65311,6356 August 2026 — 11,645 subscribers6 August 2026 — 11,641 subscribers8 August 2026 — 11,651 subscribers10 August 2026 — 11,653 subscribers10 August 2026 — 11,651 subscribers12 August 2026 — 11,645 subscribers13 August 2026 — 11,642 subscribers14 August 2026 — 11,637 subscribers16 August 2026 — 11,632 subscribers17 August 2026 — 11,617 subscribers19 August 2026 — 11,620 subscribers20 August 2026 — 11,617 subscribers21 August 2026 — 11,621 subscribers23 August 2026 — 11,619 subscribers24 August 2026 — 11,626 subscribers26 August 2026 — 11,632 subscribers26 August 2026 — 11,627 subscribers28 August 2026 — 11,626 subscribers29 August 2026 — 11,632 subscribers30 August 2026 — 11,633 subscribers31 August 2026 — 11,629 subscribers2 September 2026 — 11,636 subscribers3 September 2026 — 11,634 subscribers5 September 2026 — 11,648 subscribers11,6486 August 20265 September 2026
24 measurements spanning 30 days, net +3. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 11,612–11,658 and does not start at zero.
Measurement log — every subscribers count we have recorded, most recent 20 of 24
Measured (UTC)SubscribersChange
5 Sept 2026, 07:5811,648+14
3 Sept 2026, 09:3811,634-2
2 Sept 2026, 04:4511,636+7
31 Aug 2026, 03:4311,629-4
30 Aug 2026, 03:1311,633+1
29 Aug 2026, 01:2511,632+6
28 Aug 2026, 01:1511,626-1
26 Aug 2026, 23:3311,627-5
26 Aug 2026, 02:1911,632+6
24 Aug 2026, 23:5811,626+7
23 Aug 2026, 10:1211,619-2
21 Aug 2026, 23:2811,621+4
20 Aug 2026, 17:3311,617-3
19 Aug 2026, 15:2811,620+3
17 Aug 2026, 12:3811,617-15
16 Aug 2026, 01:5611,632-5
14 Aug 2026, 13:1411,637-5
13 Aug 2026, 03:0711,642-3
12 Aug 2026, 00:4211,645-6
10 Aug 2026, 23:2111,651first reading

Engagement

25 posts held, back to 17 April 2026the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 46 pages of Telegram’s post history, 20 posts per page.

ERR · 30 days
40.4%
avg views ÷ 11,648 subscribers
Avg views / post
4,710
5 posts measured
Reaction rate
0.849%
reactions ÷ views · ER floor
Posts in window
5
of 25 held

ERR is average views per post over the last 30 days divided by subscribers, the definition TGStat uses, so this figure is comparable with the one you will see elsewhere. It falls structurally as a channel grows: a high ERR on a small channel and a low one on a large channel describe reach mathematics, not quality. We publish the figure and the sample it came from and pass no verdict on it.

ER is defined industry-wide as (forwards + reactions + comments) ÷ views — note the denominator is views, not subscribers. Telegram’s public web preview carries views and reactions but not forward or comment counts, so the reaction rate above is the reactions term only and is therefore a floor: the true ER for this channel is higher by an amount we have not measured and will not estimate.

What these figures were computed from
WindowRolling 30 days · latest post in window 2 September 2026
Posts held25 (17 April 20262 September 2026)
Views total23,550
Reactions total200
Forwards / commentsnot exposed by the public surface — not measured, not estimated
Readings taken3 Sept 2026, 01:27 UTC

Views are a single reading per post, taken at the time above. A post published in the last day or two is still accumulating views, which pulls the 30-day average down slightly. That is a property of the standard definition rather than a fault in it, so we keep the definition rather than “correcting” the number into something nobody can reproduce.

Precision. Telegram publishes view counts on its public widget in short form — 8.12K, 3.7M — so any reading at or above 1,000 reaches us rounded to three significant figures, and only counts below 1,000 are exact. Averages and rates derived from them are shown to the same precision rather than to the unit: a figure like 3,701,250 would assert digits nobody measured.

Reaction counts are published per emoji and rounded the same way, so a total below 1,000 is exact and a larger one is a sum that may carry a rounded component from each emoji above 1,000. Because it is a sum, it does not look rounded — read a large reaction total as three significant figures per contributing emoji rather than as the figure it prints.

Reaction mix

1,075 reactions across 25 posts, in 15 distinct kinds. The most used accounts for 41.7% of them.

Every reaction kind recorded on the sample, most used first
ReactionCountShareShare, drawn
44841.7%
👍31329.1%
🔥26925.0%
👏141.30%
🤝70.651%
🎉50.465%
🤔50.465%
💊40.372%
30.279%
💔20.186%
👌10.093%
😁10.093%
🤓10.093%
🤡10.093%
🤣10.093%

No sentiment is inferred, and none should be read in. This table is ordered by count and by nothing else. Emoji do not carry stable meaning across languages or communities — 🙏 is thanks in one channel and mourning in another — so we publish which ones were pressed and how often, and pass no judgement on what an audience meant by them.

Precision. Telegram publishes reaction counts per emoji and short-forms each one — 4.34K, 1.2M — so any single kind at or above 1,000 reaches us at three significant figures, and only counts below 1,000 are exact. The shares above are ratios of those figures and carry the same error. This is also why the total here can differ slightly from a reaction total printed elsewhere on the page: both are sums of the same rounded parts, taken over samples with different edges.

Coverage. Reactions were read on 25 of the 25 sampled posts in this sample. Summed by Telegram’s own count on each post — not by adding up the per-emoji breakdown above — those same posts carry 1,075 reactions in total: the kind of figure the paragraph above means by “a reaction total printed elsewhere on the page”.

Measured over the 25 most recent posts we hold, published 17 April 2026 to 2 September 2026, using the newest reading held for each. Telegram Stars are excluded: they are a payment, not a reaction, and they have their own section.

Recent posts

2 Sept 2026, 15:01 UTC≈1,390 views29 reactionsread 3 September 2026
File

Неравенства в геометрии В конце августа в он-лайн школе олимпиадной математики Дабромат я прочел лекцию для школьников 7 и 8 классов о неравенствах в геометрии и задачах на максимум-минимум. Начал я с применений неравенства треугольника в задачах, потом добавил идею симметрии и закончил неравенствами для площадей, точкой Торричелли и сетями Штейнера. Конечно, за бортом осталось еще много: вариационные методы,

20🔥8👍1

1 Sept 2026, 10:36 UTC≈2,630 views70 reactionsread 3 September 2026
Photo

С Новым годом! Поздравляю всех учеников и их учителей с новым учебным годом! Желаю, чтобы все учились друг у друга и постигали красоту геометрии. А сегодня предлагаю вам подумать над доказательством красивого геометрического факта. Лично я был в восторге, когда его обнаружил. Идеи своих решений, как обычно, пишите под спойлерами.

44👍12🔥8🎉4💔2

16 Aug 2026, 16:49 UTC≈5,000 views20 reactionsread 3 September 2026

Тест Матвертикали Тестирование учителей 26 августа Завтра с 9:00 открывается регистрация на тестирование учителей Тестирование пройдет 26 августа в 10:00-12:30 Формат тестирования: письменная работа на 150 минут. Возьмите с собой паспорт для прохода в здание, тетрадь (12 листов), письменные принадлежности. Результаты работы придут на электронную почту, указанную при регистрации. Успешно прошедшие тестирование у

🔥96🤝3🎉1🤣1

11 Aug 2026, 08:41 UTC≈5,820 views31 reactionsread 3 September 2026

UPD: регистрация не нужна. Правильная ссылка https://clck.ru/3V9XSi

🔥22🤝432

10 Aug 2026, 17:47 UTC≈8,710 views50 reactionsread 3 September 2026
Photo

Геометрический лекторий Спешу сообщить всем читателям нашего канала, что на этой неделе стартует лекторий по геометрии, в котором я тоже принимаю участие. Это открытые и бесплатные лекции замечательных авторов для сильных школьников по совершенно разным темам от неравенства треугольника и построений циркулем и линейкой до эллиптических кривых и геометрии Лобачевского. Кроме лекций будет несколько спецкурсов с прове

👍2515🔥10

15 Jul 2026, 17:10 UTC≈7,380 views74 reactionsread 3 September 2026
Photo

Концерт в галерее Середина лета уже миновала, а лето — это не только математика и задачи, но и сосны, земляника, малина и смородина. Это еще и костры, дымный чай, фестивали и песни. А тех, кто остался в это время в Москве, в эту пятницу я приглашаю на свой концерт в художественную галерею Minima — она находится недалеко от станции метро Новослободская. На этот раз я буду играть один. Без ансамбля. И вход будет шляпн

43🔥20👍11

7 Jul 2026, 10:36 UTC≈7,880 views105 reactionsread 3 September 2026
Photo

Т- образование На прошлой неделе я прочитал лекцию для учителей - победителей конкурса Т-образования по математике и физике. Рассказывал о том, что математика - это часть натуральной философии, то есть философии природы, на современном языке - физики. Конечно, говорил я и о своих новых учебниках по геометрии. Оказывается, многие учителя в регионах ими уже вовсю пользуются. Не скрою - это очень приятно узнавать. Встр

64👍26🔥11🤔3😁1

6 Jul 2026, 09:45 UTC≈6,770 views61 reactionsread 3 September 2026

Прямой угол от Фаберже Еще Фалес из Милета заметил, что диаметр круга виден из любой точки на его границе под прямым углом. Новая задача из канала Фулл и точка является красивым обобщением этого факта. Разрежьте круг на сегменты по хорде, перпендикулярной диаметру АВ, и поверните их вокруг конца этой хорды. Пусть М - середина отрезка между другими концами сегментов. Тогда угол АМВ будет всегда прямым. Анимацию к это

34🔥19👍8

30 Jun 2026, 11:37 UTC≈6,560 views46 reactionsread 3 September 2026
Photo

Проекция пирамиды Этим летом я пишу курс стереометрии 10 класса. И неизбежно придумываю упражнения и задачки на разные его темы. Вот пример такой, как мне кажется, довольно простой задачи. На рисунке показана ортогональная проекция правильной пирамиды. Как по ней определить углы между гранями этой пирамиды?

35👍11

12 Jun 2026, 07:35 UTC≈8,590 views30 reactionsread 3 September 2026
Photo

Центр между высотами Предлагаю задачу на исследование. Центр описанной окружности треугольника редко лежит на отрезке между основаниями двух его высот. Такое может произойти, когда угол между сторонами, на которые опущены эти высоты, попадает в диапазон меньший 7 градусов. Какой это диапазон? И пока открытый вопрос: могут ли длины всех сторон такого треугольника быть целыми числами?

👍1812

7 Jun 2026, 12:06 UTC≈9,220 views53 reactionsread 3 September 2026
Photo

Завтра ЕГЭ Завтра школьники России пишут профильный экзамен по математике. В качестве последней тренировки я предлагаю всем решить хорошую задачу в его стиле. Когда-то я давал ее на исследование восьмиклассникам в школе Летово. А еще я желаю всем завтра удачи!

👍2321🔥9

4 Jun 2026, 07:39 UTC≈10,100 views39 reactionsread 3 September 2026
Photo

Круги в шестиугольнике Предлагаю задачу, которую можно решить методами 8 или даже 7 класса. Этот факт я обнаружил случайно и решил им с вами поделиться. Попробуйте найти его доказательство без расчетов и теоремы Пифагора.

👍1615🔥8

Showing the 12 most recent of 25 posts we hold for @volk_geometry. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.

Forward network

Republished by

Channels on the register that have forwarded this channel's posts into their own feed.

Built only from forwarded posts we have actually read, on both sides. Coverage is early and deliberately incomplete: a missing link means we have not read the post that would prove it, never that the relationship does not exist. Counts are distinct forwarded posts observed, so they only ever go up as we read more.

Mentions

Named by 3 registered channels — every channel on the register whose own posts have named this one, by its current username or any other username it currently holds, merged from two separately captured readings of the same fact so a namer caught by only one of them is not missed and a namer both caught is not counted twice. A username this channel has since dropped is not matched — that handle may belong to someone else now, and crediting today’s namer to yesterday’s owner would misattribute it.

Names

Channels on the register whose handles appear in this channel's posts.

A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.

Appears in Telegram’s recommendations for other channels

The reverse of the list above, and a different kind of signal. This does not require this channel to have ever been asked about directly — each row below is a channel we DID ask Telegram about, whose Telegram-generated list happened to include this one. A channel can appear here with an empty list above it, because being named by someone else’s query is independent of having been queried itself.

Профиматика | ЕГЭ по Математике | Игорь Уколов и Влад Вуль
@profimatika · 41,483
Telegram ranks this channel #73 of 93 here — alongside 92 others — read 30 August 2026
matolimp
@matolimp · 31,519
Telegram ranks this channel #74 of 97 here — alongside 96 others — read 6 September 2026

This channel appears in 2 seed channels' Telegram-generated recommendation lists in total. Each is Telegram’s list for THAT channel, not this one — see how this is measured.

Cite this entry

A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 5 September 2026 — this entry's latest reading, not the date you are reading this.

“Геометрия от Волчкевича” (@volk_geometry), 11,648 subscribers as measured 5 September 2026. Telegram Register, tgregister.com/channel/volk_geometry.

Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.