My math teacher explained it and she made it sound to freakin hard and confusing when in reality it was pretty easy thanks to Khan Academy. Love u guys ❤️
Triangle inequality is really helpful in proof-based analysis courses and it serves for a very basic "My first proof" to do some exercises proving the triangle inequality for all real numbers and all complex numbers.
I'm assuming this works for vectors too. Where the addition of say two non-zero vectors u and v, u+v create this triangle if you will. This is pretty interesting.
Sal explained exactly what he said he would in the title. The name of the theorem that states that the sum of two sides of a triangle must be greater than the third is the triangle inequality theorem. Geez, what do they teach in school these days?
What if one side is equal to the sum of the two sides? Is it still covered in this theorem? For example: a triangle with side measuring 10, 20 and 30 units
Our teacher in math teaches his back and his shoulders, when he wirtes on the board he always just lean on the board and write, I don't undestand a thing!!😖
It's sad how siting in a class for 1 hour wasn't as helpful as a 6 minute video. Thank you so much for helping us.
ikr
Facts
FullTimeSlacker shut up you’re not helping
@FullTimeSlacker I do but my teacher doesn't explain how to really do it
@FullTimeSlacker found the teachers pet
Very nicely explained, as usual. :)
ChessNetwork Wow. I didn’t expect to see you here.
Hi Jerry, it's everyone.
yup
The fact that I was sitting in class, for about an hour or two, then learning much more here in this 6-minute tutorial video...
not even a minute in and i already understand more than what i understood in an hour and a half period
Why is it that I have to listen to an hour class to learn something when on here I can learn and understand it better in 5 minutes?
you dont have to with online school........... just saying
My math teacher explained it and she made it sound to freakin hard and confusing when in reality it was pretty easy thanks to Khan Academy. Love u guys ❤️
YEA
thnx man
I could learn more in this video than an hour of virtual class... tysm
Triangle inequality is really helpful in proof-based analysis courses and it serves for a very basic "My first proof" to do some exercises proving the triangle inequality for all real numbers and all complex numbers.
Sal Sir! You are a genius! Thanks alot
Triangles make me happy.
I’ve never been more lost than in geometry class
exactly! I'm sitting here crying because im trying to understand and this guy literally doesnt help. like what is he doing?
@@mariychile3032 you're just dumb
@@4Urzan stfu
@@beomsi ok
@@beomsi it's true tho
Straight to the point as usual thank you
i just got into 10th grade, this helps a lot!
Thank you!! I understand!
University lecturer spends 40 mins giving an ''explanation'' of this theorem, Sal does it in 5 mins... AND makes it sound logical..
the difference between the 2 lines is x. and adding them gives x too, so you get a range of x values.
Tysm for this you don’t know how much I needed this 😭!! You explain this better than my own math teacher!
yea i kinda wishhe was mymath teacher but mine is good tobuthe still better!!
Ugh! the best explanation I've heard
I get the basic idea .Thank you sir
So good! Thank you again!!!
I went through your video like a hot knife through butter.
I can feel the applications this has in algebraic inequalities.
Cool :)
thank you for this, now i can finish my homework yeahay
In a non-degenerate triangle ABC with c > a and c > b
|a+b| > c > |a-b|
I'm assuming this works for vectors too. Where the addition of say two non-zero vectors u and v, u+v create this triangle if you will.
This is pretty interesting.
+Justin Batalla (Obviously)
Really good explanation. I'm falling in love with Math C:
The curriculum we use in my school made this concept soooo confusing 😩😩
Sal explained exactly what he said he would in the title. The name of the theorem that states that the sum of two sides of a triangle must be greater than the third is the triangle inequality theorem. Geez, what do they teach in school these days?
Amazing lecture, If I spend 1 hour here on khan academy, no doubt Ill finished 1 chapter of Mathematics.
No doubt
@@brainybadgers4660 no cap
my ocd and these triangles boiii, but it helped a lot though, thanks
amazingly explained
nicely explained as usual , salute
this helped so much
Very easy explanation with in 6 minutes
😭😭😭😭THANK YOU FOR EXISTING
How did this come out TOMORROW?!
This is fantastic!
love these videos .Nice work
Inqequality.
Excellent👍
What if one side is equal to the sum of the two sides? Is it still covered in this theorem?
For example: a triangle with side measuring 10, 20 and 30 units
It is quite sad that in a 2 hour class I cannot learn what a 6 minute video teaches me.
@Trevor Chadwick I K R , attempting to farm likes lol
loves these videos! :)
Great expanation
Thank you
Why does Khan doesnt own a novel prize?
Ugh I have a test tomorrow and I don’t get anything :(
I feel you, but I will fail anyway since algebra is a Brain Killer.
I’d really like to learn something with 2 pro numerals such as 5, x, x-2
Amazing
Is the Triangle Inequality Theorem the same as The Pythagorean Inequality Theorem?
the teachers reading ur comments: 👁👄👁
The title can be changed to "Limits of slider-crank mechanism".
Idk how you guys learn anything by watching this I learn better in class than watching this
pablo _valencia why r u here
In metric spaces: we require a space with a distance function that satisfies his inequality
wow really good explanation. thanks :):):):):):):):):):):):):):):)
I dont get the part where u put in the inequalitie can anyone help???
thx for teaching
what program do u use to write???
InLumeaFizicii somebody answered u already, on a separate comment, but he uses a pad and a pen.
This is inequality, what were you hoping for?
Pythagoras theorem :D
Our teacher in math teaches his back and his shoulders, when he wirtes on the board he always just lean on the board and write, I don't undestand a thing!!😖
yaaa thx m8
week 1 namin to
time zones.
Can't tell if dyslexic or really just doesn't understand.
Best
do you do all this with a mouse?
Holy crap.
He's using some app on iPad with that brush “probably”
okay, so Sal misspelled something. Give the guy a break.
He has a pad with a pen that he uses.
a sarcastic response
Because he hasn't written any novels :P
Maaaaaaan, let a degenerate triangle try to pull up on me he finna get the smoke.
This lesson is killing me
...
lol
Y like that
this is confusing 😐
what is so confusing
Shut up
Still watching in 2024 😂
first comment
:o totally understood