Circumference of a Circle

[@gabrieljohnston8907]

Thanks for helping so much Sal

[@HugoLopez-zd1vd]

Thank you,you are the only one that helps me on my homework =D

[@xo.si4na]

How old r u now._.

[@house_games935]

Oh god I had my bass all the way up, your voice shook my room

[@S_J_banana]

i still dont get it

[@ByTheGram]

Never thought I would ever say this but more history please.

[@ItsJustAGamerHD]

Thank You! :) You Are The Best!

[@i3igbutterybagel]

He really knows how to explain the math

[@xo.si4na]

im seeing comments from like 9 years ago, just saying, in 9 years ill b 22, so if anyone my age is watching this video in 9 years or something around that then hi (also, if someone does end up responding to this in a couple years i just wanna say im in a global pandemic rn aka covid19 aka the rona virus😎)

[@michaelsalcido8799]

Thank You Bro! Your videos really help a lot! :)

[@trinityf.6931]

Thank you for helping people who have a hard time with circumference and area :)

[@skootskeet3843]

what app is he using

[@elizabethberecz]

where did he get the 2 from?

[@theintromaker6215]

its a Pakistani university because it is called KHAN academy!!!!!!

[@HiHi-cf9yi]

the intro maker it's Indian

[@numanhashmi5409]

the intro maker it not Pakistani it an american guy who is an indian like me 😎 who is the founder of khan academy

[@numanhashmi5409]

the intro maker it not Pakistani it an american guy who is an indian like me 😎 who is the founder of khan academy

[@johnmichaeldomingo5746]

Thank you sir!

[@AwkwardAndAwesome]

Off the top of my head... 3.1415926535897932384626! Granted, I did get a shirt from thinkgeek that has an image of the pi symbol made out of it's digits. =P

[@adamhousejr3397]

helpful i cant belive my homework is this when im only 10 in 5th grade

[@raian7416]

HOUSER PLAYZ I’m in 6th grade and I have to memorize this for a test

[@jajakhawla587]

you’re 13 now. how the years go by so quickly.

[@Mr.Bye06]

@@jajakhawla587 14 now

[@thetshadow999animates9]

@@raian7416 How's highschool

[@nolwazizindela3081]

Thanks you have helped alot

[@PocketChangeHunter21]

Thank you!!!

[@barrettwenzivsky470]

THANK YOU!!!!!!!!!!!!!!!!

[@sandeshadhikari7806]

do 7 divided by 127 imposible

[@victoriamelendez7127]

Pink Pizza Kitten lmao three years later u respond

[@thetshadow999animates9]

@@victoriamelendez7127 same for you and even me

[@josedaviddelgado7673]

Thanks

[@jbtrickshots6803]

Moish deosh

[@jbtrickshots6803]

Moish deosh

[@jbtrickshots6803]

Moish deosh

[@jbtrickshots6803]

Moish deosh

[@jaysrt1849]

yo what

[@xo.si4na]

poop

[@Garrettwest2025]

Jesus confusing as PI

[@godlyangel012]

like it =D

[@xo.si4na]

how old r u now._.

[@Mr.Bye06]

@@xo.si4na who knows

[@thetshadow999animates9]

pls tell us your age

[@godlyangel012]

@@thetshadow999animates9 21