Test And Tutor
Region: CA
Thursday 23 October 2025 17:09:37 GMT
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Haseeb Taj :
A4: 297/210 = 1.41428 A3: 420/297 = 1.41414 It's not the same
2025-10-23 21:45:14
559
Kamalprreet Siddhu :
Bro just discovered folding
2025-10-23 21:00:27
732
Raymond Adibe :
I've never been this confused after paying maximum attention in my life😭
2025-10-23 21:26:45
357
KitKot :
it's not incredible, it has no use in real life, it's only exciting to mathematicians
2025-10-23 18:21:16
197
User_1969 :
for sure the ratio will be the same, because you are simply doubling
2025-10-23 19:52:26
297
jebril :
is he stupid ?
2025-10-25 15:40:56
116
Amigo 🌚🌝 :
Listen to me. What happens when you double A0?
2025-10-24 00:54:59
12
ＪｏｅＮａｓｒＧｕｉｔａｒｓ :
I understand. but I don't get it. whatever you double the ratio stays the same. so what the square is he trying to explain.
2025-10-23 19:58:15
80
Roger Ramer Tz :
A3 ratio will be 297/420 because the width is doubled
2025-10-23 18:47:04
39
crypto1960 :
A4 paper originated from a 1922 German standard called DIN 476, which was based on the idea of a paper size with an aspect ratio of \(1:\sqrt{2}\). This standard was adopted internationally by the ISO in 1975 and became the global standard, with smaller sizes consistently created by halving the larger ones. The concept of the \(1:\sqrt{2}\) ratio dates back even further to a 1786 proposal by German scientist Georg Christoph Lichtenberg.
2025-10-23 19:56:06
83
Prosperity3639 :
You’re reversing calculation. I believe what the early inventor of paper uses 1 meter square and reduce to practical used….so folding once is A1 then fold again we get A2 further division gets A3 and folding A4 and further division gets A5…,.and nothing incredible about it🥰🥰🥰
2025-10-24 07:22:41
35
Wathanabeson :
It can be any size. If humans say 300/200 is A4 then it will be A4. Nothing special 😜
2025-10-24 20:41:49
11
scotty_Battler 🇦🇺 :
If your in America using DARK AGES IMPERIAL sizes; you’re screwed
2025-10-24 08:16:04
10
Jonas Brunner :
now the US letter pleace
2025-10-23 21:01:00
7
Save N433 :
This problem was discovered by a Zimbabwean mathematician.
2025-10-24 04:05:18
7
La Suisse :
8.5x11 watching this video like
2025-10-25 03:17:09
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eddiengland :
What came first A4 paper or 1 square metre.
2025-10-23 20:43:25
33
Fiana :
tgh rileks dari masalah..masuk tiktok bertambah beban pikiran aku
2025-10-26 03:44:09
6
senatorXTik :
A0 is 1 m2 and you just halve it each time to get A4 with that dimensions This is only reason
2025-10-23 19:56:10
11
doomcircuit :
so Ax is the number of folds. A0 zero folds, A1 one fold... 🤔
2025-10-23 22:30:30
5
Ferdynan Iskandar :
Of course it will be same ratio if you start from 210x300
2025-10-24 00:34:13
17
Kakensa Omutiko :
To me who has issues with mathematics I haven't understood anything
2025-10-23 20:20:29
8
JeffK :
“If you use any other numbers, it just doesn’t work” - that is incorrect. You can use any multiple of 99/70 to get the same effect. And you can even get more efficient doubling with multiples of 239/169, 577/408, or 1393/985. It’s easy to show that larger integer ratios can be found that are closer to sqrt(2) and work even better than the 297/210 ratio used for A4 paper.
2025-10-24 01:36:01
20
Djedi :
DaVinci's Golden Ratio 🤩👑
2025-10-24 06:11:37
7
ninjapilgrim :
Wonder why they didn’t go with Golden Ratio.
2025-10-24 03:25:17
12
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