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What is pi? A visual demonstration of what pi is.

  Рет қаралды 54,671

Luke Waitrovich

Luke Waitrovich

Күн бұрын

Пікірлер: 136
@barbmccafferty4533
@barbmccafferty4533 2 жыл бұрын
If my math teacher explained pi this way I would have "gotten" it immediately. You're amazing.
@jamescollier3
@jamescollier3 2 жыл бұрын
just for that circle? or all circles?
@barbmccafferty4533
@barbmccafferty4533 2 жыл бұрын
@@jamescollier3 What?
@zthehuman7051
@zthehuman7051 2 жыл бұрын
@@jamescollier3 it’s a ratio, so yes for all circles.
@finnfrosty
@finnfrosty Жыл бұрын
@@jamescollier3 all circles because the diametre is always fit into the perimitre 3.14 times try it if u dont believe me
@TheAdam2877
@TheAdam2877 Жыл бұрын
I was taught about Pi in school but this is by far the best demonstration to explain it plainly so that people can have a visual aid to better understand it. Thanks, I'm going to show my son this. ; )
@hasankader1050
@hasankader1050 2 жыл бұрын
When we were at primary school, teacher doesn't explained how does pi value comes 3.14. amazing thanks Luke
@user-lu1bv4lf8z
@user-lu1bv4lf8z 2 жыл бұрын
44344
@chrisalex001
@chrisalex001 18 күн бұрын
Simple, yet mind blown. Thank You!
@suvacity5963
@suvacity5963 Ай бұрын
Wooooow perfectly explained 👍 thank you very much
@Kaido1412
@Kaido1412 2 жыл бұрын
When I finished watching this video, it was 3:14 am. Kinda freaks me out a bit, but also realized I should go to bed. lol
@JVerde853
@JVerde853 2 жыл бұрын
For me it was 19:47, which if you take the ln of, you get 2.97 which is basically 3, aka basically pi
@herbie_the_hillbillie_goat
@herbie_the_hillbillie_goat 2 жыл бұрын
@@JVerde853 That's freaky. 😁
@pharrison7276
@pharrison7276 Ай бұрын
Great explanation
@DrRSPMD2010
@DrRSPMD2010 8 ай бұрын
You’re so Amazing !!! Thank you sooo much !!! Now I fully understand Pi and will never forget it !!!
@mountainman9145
@mountainman9145 2 ай бұрын
Because the string has an ending i.e. it is finite - should not the value of pi end eventually.
@umami0247
@umami0247 2 жыл бұрын
Nice work never got into math I just am terrible at it so never learned this. Often wondered why it was this number well now I know.
@anishsingh6703
@anishsingh6703 2 жыл бұрын
Great Salute to The LEGEND and GENIUS of All Time :- ARYABHATA , Who had Given the First Accurate Value of Pie And Many Things in His Life and Can't be Compared to Anyone . Thankyou .
@sycration
@sycration 2 жыл бұрын
So much of Indian mathematics, especially the Kerala school, is greatly under appreciated in the western world. To venerate Kepler and Newton but not Aryabhata and Madhava is to deny history.
@anishsingh6703
@anishsingh6703 2 жыл бұрын
@@sycration Please Sorry Brother but kya aap isko thoda sa Hinglish me likh ke Bhej sakte hai kyuki aapka comment mujhe acche se samajh nahi aa paa raha hai . Again sorry for that but please write it again in Hinglish .
@anishsingh6703
@anishsingh6703 2 жыл бұрын
@@sycration Purane Time ke Mathematicians me ARYABHATA hi Pure WORLD me Jaane Jaate hai . _Specially UNESCO Ne ARYABHATA ke Yaad aur Sammaan ke liye Har Saal Celebrate karta hai Unki Inventions ki Pure WORLD me_ . He is the Father of Mathematics . Kyuki Aur Sab Mathematicians and Scientists ne to Unhi ke Kaam ko aage badhaya aur naye naye Inventions and Discoveries hue . UNESCO Said That - ARYABHATA Mind is Really Can't Comparable with any Other Mathematicians and Scientists . He is Legend and Genius of all Time in The World Who can Never be Forgotten . Said By UNESCO . _Go and Search if you Can't Believe_ . Thankyou .
@sycration
@sycration 2 жыл бұрын
@@anishsingh6703 sadly I do not speak Hindi so I use a machine translator. Hopefully this makes sense maiM mazIna anuvAdaka kA upayoga kara rahA hUM kyoMki mujhe hiMdI nahIM AtI hai| maiMne kahA ki nyUTana aura yUkliDa kI prazaMsA karanA galata hai lekina mAdhava aura AryabhaTTa kI prazaMsA karanA nahIM| prAcIna kAla ke pratibhAzAlI bhAratIya vaijJAnikoM kI upekSA karanA itihAsa ko nakAranA hai|
@idrisShiningTimes
@idrisShiningTimes 2 жыл бұрын
I'd not like to start any political discussion related to history here. But I do infact agree Indian mathematicians are underrated. Aryabhatta did find some decimal places of pi. But Newton on the other hand, used and manipulated the Binomial Theorem to find pi till any decimal places desired. I'm saying Newton's contribution and other mathematicians' contributions too do matter here and are equally on the level Aryabhatta was. मैं यहां इतिहास से संबंधित किसी भी राजनीतिक चर्चा को शुरू नहीं करना चाहूंगा। लेकिन मैं वास्तव में सहमत हूं कि भारतीय गणितज्ञों को कम आंका जाता है। आर्यभट्ट को पाई के कुछ दशमलव स्थान मिले। लेकिन दूसरी ओर, न्यूटन ने किसी भी दशमलव स्थानों तक वांछित होने तक पाई को खोजने के लिए द्विपद प्रमेय का उपयोग और हेरफेर किया। मैं कह रहा हूं कि न्यूटन का योगदान और अन्य गणितज्ञों का योगदान भी यहां मायने रखता है और समान रूप से आर्यभट्ट के स्तर पर हैं।
@stevekerp1
@stevekerp1 2 жыл бұрын
Did well with the "3" part but the remainder doesn't look like ".14" at all.
@paulg444
@paulg444 2 жыл бұрын
yeah, he definitely pulled the string much tighter when he did the diameters than when he made the circumference. That was about .25 left over.
@creamu2roblox
@creamu2roblox 2 жыл бұрын
Close enough
@javidelgado5
@javidelgado5 2 жыл бұрын
@@jovmml its .14 of all three strings
@noonegotnojams1018
@noonegotnojams1018 2 жыл бұрын
It's an approximation which is much close to 3.14
@robertveith6383
@robertveith6383 5 ай бұрын
​@@creamu2roblox -- No, it's *not* "close enough!" The percent error is too big with the way he did it.
@tumak1
@tumak1 2 жыл бұрын
...INTERESTING PRESENTATION. But the string remainder should be one-tenthish of the unit lengths. That was not the case in the video. But the strategy was sound. Cheers
@asriel522
@asriel522 2 жыл бұрын
Wait .......isn't π the integral of e to the -x² from negative infinity to positive infinity squared?
@noonegotnojams1018
@noonegotnojams1018 2 жыл бұрын
It is
@shueb123
@shueb123 2 жыл бұрын
He is just explaining from simplicity perspective or the basic of it ,,,you have gone too far to some other expressions of pi
@sedmirnel7764
@sedmirnel7764 2 жыл бұрын
We all know that pi is irrational. *Then why its definition is a ratio?*
@justmehere_
@justmehere_ 2 жыл бұрын
because one of those values in the ratio is always itself irrational. Rational numbers are expressed as a ratio of two _integers_
@Tigerglider
@Tigerglider 22 сағат бұрын
@@justmehere_yeah
@Xayuap
@Xayuap 2 жыл бұрын
when they say technically I don't know if they want to say theoretically o practically
@pi4313
@pi4313 2 жыл бұрын
This was my true calling
@lenny0912
@lenny0912 2 жыл бұрын
🤣🤣🤣
@nagesh007
@nagesh007 2 жыл бұрын
Awesome 😍
@ThisReckless
@ThisReckless 2 жыл бұрын
If you complete the circumference with all the string and there is no gap, Then why does it matter how many radiuses you fit around the circumference of a circle? If you enclose the circle then who cares what the ratio of radiuses to circumference is.
@zgp8850
@zgp8850 2 жыл бұрын
Essentially, it's because this ratio allows you to compute the area or perimeter of any circle. If you know radius or diameter, you can know the perimeter of the circle.
@justmehere_
@justmehere_ 2 жыл бұрын
it's also a special value that has many applications other than finding circumference or diameter, mainly related to curves and angles.
@venkatfaraday
@venkatfaraday 2 ай бұрын
355 videos 366 subscribers😢.... What a tragedy
@venkatbabu1722
@venkatbabu1722 3 жыл бұрын
Pi is a multiplicity of surfaces. That's why it seems to go on forever.
@peace7784
@peace7784 2 жыл бұрын
it doesn't seem to, it actualy does
@zaroonahmar5558
@zaroonahmar5558 2 жыл бұрын
Help a lot,,, thanks
@davidulsalla6002
@davidulsalla6002 3 жыл бұрын
Yeah.good explanation
@yaaro_naan8626
@yaaro_naan8626 2 жыл бұрын
Wow 👍 nice
@appalanaiduannepu9845
@appalanaiduannepu9845 2 жыл бұрын
WITH PRACTICAL; STUDENTS CAN EASILY UNDERSTAND. THANK YOU
@robertveith6383
@robertveith6383 5 ай бұрын
Stop yelling your post in all caps.
@wilsonzhang8715
@wilsonzhang8715 2 жыл бұрын
then why is half a circle one pi?
@paulg444
@paulg444 2 жыл бұрын
@Channel Good Stuff because for angles by convention we normalize by radius R which is 1/2 the diameter. C/ R = 2pi
@jaredgoede2681
@jaredgoede2681 2 жыл бұрын
Thanks for an interesting question. This video shows that the circumference of a circle comes from the diameter going around the perimeter 3.14 times (or pi). They used an equation of pi = c/d: another way to say this is D x Pi = C or a full circle. Half a circle would only use have the diameter or one radius (2 radius make a diameter) Diameter=D Radius= R Circumference =C Pi= 3.14........ Full Circle. (D x Pi = C) or (R + R x P=Ci) or (2 x R x 3.14) Half a circle (D/2 x Pi) or (R x Pi) To learn more check out this video kzbin.info/www/bejne/mXSTl42VodB5prM
@Tigerglider
@Tigerglider 22 сағат бұрын
@@paulg444thanks
@LaylaD5150
@LaylaD5150 3 жыл бұрын
Dope 👍
@YuiAnine
@YuiAnine Жыл бұрын
hold the phone, this is 7th grade stuff? And is meant to be used BEFORE algebra?? ive learned algebra before Pi in 8th grade.
@Tigerglider
@Tigerglider 22 сағат бұрын
Yeah im cramming for a test rn in prealgebra
@wagglebutt
@wagglebutt 2 жыл бұрын
Looks more like 3.3
@audbay2990
@audbay2990 4 жыл бұрын
Ya
@Ibrahimnada1995
@Ibrahimnada1995 2 жыл бұрын
I'm disappointed with my self , took me 26 years of living ,eating,shitting,sleeping to ask my self this question on 1:33 AM (what is PI why is it 3.14)
@albertobernado4103
@albertobernado4103 2 жыл бұрын
math says "infinite", reality says "finite". Wt.... ???
@justmehere_
@justmehere_ 2 жыл бұрын
pi does not equal infinity, it just has infinite digits
@EDM_BOY
@EDM_BOY Жыл бұрын
It's cause we're living in a simulation 😅
@dracarysssx
@dracarysssx 2 жыл бұрын
My teacher didn't tell me about this
@marshalls36
@marshalls36 2 жыл бұрын
Ratio
@slyfly4829
@slyfly4829 2 жыл бұрын
The reason why we cannot solve pi is because a circle isn't 2 dimensional, it's actually 3.
@kallianpublico7517
@kallianpublico7517 2 жыл бұрын
There may be a deeper solution to pi that involves "dimension". There may be a simpler explanation. I don't know. One thing that puzzles me is the meaning of pi. Is it really just a number? I dont think so. In language meaning either explains or describes. Pi is a very strange number. I think it's strangeness is due to missing meaning. Another way to look at pi is as an operator. An operator that, when applied to any line, gives a special kind of curve. A number that turns one shape into another. Is there an operator that turns lines into triangles? Squares? Toruses? Hyperbolas? If we could find those operators maybe they'd shed more light on what pi is.
@jeffthevomitguy1178
@jeffthevomitguy1178 2 жыл бұрын
@@kallianpublico7517. The secant if the inverse cosine can turn a point into a line. And the cosine of the inverse secant turns that pine back into a point.
@kallianpublico7517
@kallianpublico7517 2 жыл бұрын
@@jeffthevomitguy1178 How? How do you operate on points? By multiplication, exponents? What is the meaning or solution to any number operating on a point. As an example what is 3 times a circle or square? 3 circles, 3 squares? Cosines and secants have geometric meaning in 2 dimensions. Points are 1 dimensional. Points have no "shape". Even though we think of a line as a shape, what its made of (points) isn't a shape. One point doesn't make a line, but two points joined together do? How? How are they joined? Lines joined by angles give 🔺️, squares ⬛️, and polygons. How are points joined to make lines? By knots 🪢? Can we even have a visual reference? Atoms are joined together by the bonding of the outermost shells of electrons. Protons and neutrons are joined together by the strong nuclear force. Are points joined together by nuclear forces? Chemical geometry: shapes? What are points made of? The truth of the matter is either no one knows, or it can be made of anything. That ambiguity is not resolved by invocation of the trigonometric functions.
@jeffthevomitguy1178
@jeffthevomitguy1178 2 жыл бұрын
I'm talking about plane projection. This is all with reference to a circle.
@kallianpublico7517
@kallianpublico7517 2 жыл бұрын
@@jeffthevomitguy1178 I'm sure it works and makes sense. Does it give you any more insight as to what a point is?
@h.mfahimyounis7420
@h.mfahimyounis7420 3 жыл бұрын
Confusing
@peace7784
@peace7784 2 жыл бұрын
no
@oliviaharding4314
@oliviaharding4314 2 жыл бұрын
Tank you
@luamfernandez6031
@luamfernandez6031 2 жыл бұрын
Irrational numbers don't exist
@peace7784
@peace7784 2 жыл бұрын
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989380952572010654858632788659361533818279682303019520353018529689957736225994138912497217752834791315155748572424541506959508295331168617278558890750983817546374649393192550604009277016711390098488240128583616035637076601047101819429555961989467678374494482553797747268471040475346462080466842590694912933136770289891521047521620569660240580381501935112533824300355876402474964732639141992726042699227967823547816360093417216412199245863150302861829745557067498385054945885869269956909272107975093029553211653449872027559602364806654991198818347977535663698074265425278625518184175746728909777727938000816470600161452491921732172147723501414419735685481613611573525521334757418494684385233239073941433345477624168625189835694855620992192221842725502542568876717904946016534668049886272327917860857843838279679766814541009538837863609506800642251252051173929848960841284886269456042419652850222106611863067442786220391949450471237137869609563643719172874677646575739624138908658326459958133904780275900994657640789512694683983525957098258226205224894077267194782684826014769909026401363944374553050682034962524517493996514314298091906592509372216964615157098583874105978859597729754989301617539284681382686838689427741559918559252459539594310499725246808459872736446958486538367362226260991246080512438843904512441365497627807977156914359977001296160894416948685558484063534220722258284886481584560285060168427394522674676788952521385225499546667278239864565961163548862305774564980355936345681743241125150760694794510965960940252288797108931456691368672287489405601015033086179286809208747609178249385890097149096759852613655497818931297848216829989487226588048575640142704775551323796414515237462343645428584447952658678210511413547357395231134271661021359695362314429524849371871101457654035902799344037420073105785390621983874478084784896833214457138687519435064302184531910484810053706146806749192781911979399520614196634287544406437451237181921799983910159195618146751426912397489409071864942319615679452080951465502252316038819301420937621378559566389377870830390697920773467221825625996615014215030680384477345492026054146659252014974428507325186660021324340881907104863317346496514539057962685610055081066587969981635747363840525714591028970641401109712062804390397595156771577004203378699360072305587631763594218731251471205329281918261861258673215791984148488291644706095752706957220917567116722910981690915280173506712748583222871835209353965725121083579151369882091444210067510334671103141267111369908658516398315019701651511685171437657618351556508849099898599823873455283316355076479185358932261854896321329330898570642046752590709154814165498594616371802709819943099244889575712828905923233260972997120844335732654893823911932597463667305836041428138830320382490375898524374417029132765618093773444030707469211201913020330380197621101100449293215160842444859637669838952286847831235526582131449576857262433441893039686426243410773226978028073189154411010446823252716201052652272111660396665573092547110557853763466820653109896526918620564769312570586356620185581007293606598764861179104533488503461136576867532494416680396265797877185560845529654126654085306143444318586769751456614068007002378776591344017127494704205622305389945613140711270004078547332699390814546646458807972708266830634328587856983052358089330657574067954571637752542021149557615814002501262285941302164715509792592309907965473761255176567513575178296664547791745011299614890304639947132962107340437518957359614589019389713111790429782856475032031986915140287080859904801094121472213179476477726224142548545403321571853061422881375850430633217518297986622371721591607716692547487389866549494501146540628433663937900397692656721463853067360965712091807638327166416274888800786925602902284721040317211860820419000422966171196377921337575114959501566049631862947265473642523081770367515906735023507283540567040386743513622224771589150495309844489333096340878076932599397805419341447377441842631298608099888
@dpage446
@dpage446 2 жыл бұрын
Write a rigorous proof and collect your awards
@1earflapping
@1earflapping 2 жыл бұрын
There used to be (maybe still is) a website that would find your birthday within Pi. It shows/showed just where in the Pi sequence it was, too.
@greyngreyer5
@greyngreyer5 2 жыл бұрын
They clearly do. And don't call them irrational. You're past grade school.
@herbie_the_hillbillie_goat
@herbie_the_hillbillie_goat 2 жыл бұрын
@@greyngreyer5 What's wrong with calling them irrational?
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