Geometry Proofs Explained! Triangle Congruence
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- Опубликовано: 3 янв 2016
- On this lesson, we will work through several triangle congruence Geometry Proofs Examples and you will learn how to complete two column proofs and triangle congruence proofs step by step!
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This lesson answers the questions: How can I prove that two triangles are congruent? How can I complete a geometry proof? How do I prove vertical angles are congruent? How do I use CPCTC? How can I study geometry proofs?
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Thank you for learning with me! If you found this video helpful, please give it a THUMBS UP & LEAVE A COMMENT and be sure to SUBSCRIBE to my channel (I could really use the support!). Subscribe Here: bit.ly/2yRUQS1 -Anthony :)
fuck this link
Istg😞
Ngl geometry proofs have me crying for the test tomorrow
mini bidOOF
U eat pid
haha getting ready for my final 🥺
I have one tmmrw tooooo😅😅
lol were literally everywhere
Made me get a fucking 47 smh
proofs make me cry thanks for the help man
lmao same
Proofs are what amplify my depression
I am a visual learner and my teacher only teaches with notes so this is extremely helpful! Thank you so much
Thanks for the comment, Sydney! I'm happy to help! I hope that you can give this video a thumbs up and subscribe to our channel! -Anthony :)
Sydney Osmus I hate those teachers
A visual understanding works for all especially in GEOMETRY WHICH IS ALL VISUAL!
SAME
Same!!!
My teacher just tells us XD
This dude taught me what my teacher couldn't teach for almost a month...IN ONLY 10 MINUTES!
My teacher taught us proofs for 2 days and is giving us a quiz about it now, she going by so fast
@@Surge641bro i know
@@Surge641and somehow like everyone else but me understands it
@@Contier7 me 2 bro
REALL
Who else came cause they have a quiz tomorrow
Midterm today
Sans Gamer same
Test Today ;-;
Me
Yep
I fear no geometry problem
But that thing....
That thing scares me...
Same😂😂😂
I always fail these types of questions 😂
i donmt fdukcing get iut
Same, I hate it so much
bro same ask me to solve for x i would get it but this is some bs
Tip: If you don't know when to use CPCTC, just remember that CPCTC always comes after angle postulates.
what are angle postulates
What is this word ur saying
@@palmtoptiger1405 I got a C in math as my overall grade :/
@@lukebremner7536 too late for that I already failed geometry, algebra 2 is so much easier for me I have an A I just never understood geometry
@@xThanya I’m in geometry rn😭 I got a test and I don’t really understand the proofs
I OFFICIALLY THINK THAT GEOMETRY PROOFS ARE THE MOST USELESS THING AND THE MOST ANNOYING THING IN THE WORLD
Edit: its been like 2 months and why the heck does this have 38 likes also the test for geometry proofs i got a 45 on
yes i agree, we need to learn about taxes and the government system
@@arjunm6927 ikrrrrrr
you probably did better than i’ll do
@@arjunm6927 thats something you learn yourself
@@phjsher yes i failed but i didnt't fail the class because the other topics were not as hard
When in my life will I care about triangles being congruent to each other 😀👍
never LMAOOA
LITERALLY
Construction worker: that triangular roof right there is congruent to the one across it
Other worker: what the fuck does that mean Bob?
@@bombtasticplays good thing im not gonna be a fucking construction worker
Asked my teacher this and she said, you will never use it, her class is fun
im gonna cry. proofs will be the death of my geometry grade.
Same T.T
This hard I’m rippin my hair off tryna get this....Edit: I failed the test
BTS Army Rocks hahahah
BTS Army Rocks mood
ARMY!
Grilled Fish and steak wasssuppp
Co-army!!!
Huhuhu. Hopefully I won't fail later on my test. 😂😭
13 years later and this finally helped me understand proofs. Thank you drunk curiosity
watching this right before my test trying to find something ANYTHING to help me pass... wish me luck
been 10months how'd you do lol
how did u do on the test?
@@daniyalbasra4330 i think failed lmao
@@heyhowareyou8165 dang man. keep your head up and study harder for the test unless ur asian like me and get beat up for bad grade yikes
@@daniyalbasra4330 OOOF that used to be me but like not
I know this is a bit of an old video, but it was super helpful! I've been having a super hard time with proofs in geometry. I always get stuck halfway through and have no idea where to go from there. Sometimes I'll skip a step because my brain simply finds it too logical and easy to even consider it as a step, I guess. This definitely gave me a better understanding! Thank you for the help! :P
I realize that this is a bit late, but I've found that working backwards can be really helpful--basically, you see what you need to do to prove the final statement, and then see what you need to do to prove that, etc...
@@aidanrobleto9013she already graduated😂
Deadass
UR LITERALLY A SAVIOR....my teachers been tryna teach this for the past two weeks and i have a test next wednesday and this helped SO MUCH thank youuuu i literally love u oh my god
Who else here is taking Honors/Pre-AP Geometry in 9th grade?
!!!!!!!!!! dude me, honor geometry?? that doesn't exist does it??
@@bobbob-nj3ck it does I’m taking it
8th grade for me and I’ll tell you... it’s TOO MUCH
@@bobbob-nj3ck It does. Well in my school it does lol
and i’m struggling😂
Why do we even learn this, we're not even gonna use this when we grow up
That’s why u shouldn’t stress too much on it. As you said, you are not gonna use.
@@ivanmendoza2044 yeah but it's still gonna impact your grade if you dont learn it
It helps us think analytically and introduces us to deductive reasoning. In other words, you won't be naive in real-life because you'll ask for evidences and proofs for given facts to test if it is true.
@@katherinegarnicasuarez While that is true, I definitely feel as if there are other ways to learn how to think analytically that isn't doing PROOFS. It's annoying, boring and practically useless for most careers, and it just runs everyone's grades lol
@@triplewavy9882 I understand your point. However, everybody's experience is different. I have found geometry proofs actually useful in my life for credibility (politics, science, and also computer programming). But I respect individuals who think otherwise.
you just taught me what we spent 2 months learning in 10 minutes. ☺️
We only had like a few days to learn it before the test lol
My test is in a few hours and im sobbing😗✌🏼
@@fluff7212 how was it?
@HALA MOHAMMED [Student]i don't wanna look at the grade cuz i'm scared 🙄
@@daniyalbasra4330 it was terrifying i ended up accidentally missing two questions which prolly deducted my test grade :/
@@fluff7212 dude same i got every question correct but i got this matching question that was worth like 30 points and i got like all of those wrong.
@HALA MOHAMMED [Student] i watched this after the test bc i needed this for a hw assignment
geometry class is just me crying cause im confused
SAMEE
You just taught me more in this video than I have learned in the past marking period of geometry
I haven't been able to understand proofs all year, and I have an exam tomorrow so thanks, man.
This was super helpful. My teacher always rushes through the lessons before I can even know what’s happening. She’s also never available to help with problems because she only comes in for two periods and then leaves. Thank you for being the math teacher I don’t really have 👍
thanks so much, i find geometric proof very hard however this has strengthened my confidence greatly in this.
I think this will really help my students who need more help with proofs, thank you!
Bro I’m recommending your channel to my friend who has geometry next year, I’m in honors and your stuff helps so much, thanks man.
Happy to help!
how do you predict what the next step is
That’s exactly what I was thinkin
basically like he said you litterally have to use what you know
its hard bro
MillySLIME do you think you can help me?
xKamanche did you ever find out if you did please let me know 😢😢😢🤕🤕🤧😭😭😭
Thank you SO MUCH. Proofs have been killing me, and this video made me feel just a little bit better about them
thank you sir anthony for the very clear and articulate presentation of the lesson..i look forward to all your videos on math lessons,
I have a final in geometry tomorrow and proofs are it's concept but I understand this WAAAY more than my teacher! Thank you so much!!
I have a geometry test coming up about proofs and I had no idea how to do proofs and now I do. Thank you for the vids helped me a lot.
Awesome lesson; graphics were very beneficial. We'll be looking for more tutorials from you.
Thanks for the comment, Thelma! I'm so glad that you enjoyed the lesson and hope that you can subscribe to our channel and share it with others! -Anthony :)
So helpful and easier to follow than the other tutorials on youtube. I subbed :D
Bro I sat in class for months not understanding a single word my teacher was saying but this just made me understand literally everything in a few minutes. Thank you so much!
Thank you for this! I wasn’t able to understand some because of my teacher but this is really helpful. Thank you!
this is the most helpful thing i’ve ever watched
Thanks so much for this - I'm going to have my students watch it. I think it will help them feel less afraid of having to do proofs.
Pamela Bronson I thought u had to teach them??
i kneel before u my math god
john essig he's not a god
@@Cr1zby true but it's a joke
this is so helpful. more than my teacher has ever taught me. I am definitely subbing!
You know, if they taught kids Discrete Mathematics BEFORE Geometry and Algebra, this would make a lot more sense to kids.
Honestly, I didn't know what the heck Discrete Mathematics was before. After graduating from college, I realized that it should be taught to kids before any math subject like Algebra, Trigonometry, or Geometry.
In my opinion, proofs in geometry are idealized, perfectly sound arguments and are good for teaching logic like you would learn in a philosophy class. You likely won’t work with triangles in your career or in other problem-solving, but you will need solid reasoning skills for any meaningful decisions.
this is also what i was thinking!
Ah yes, We need the skill of knowing that this or that is congruent for an important decision.
Bro you taught me more than my geometry teacher did in 2 months tysm
this was actually very helpful it's better than some online tutor you have to pay for. Thankyou so much
extremely helpful especially with the colours!!!
I'm a new teacher (even though I'm 41), and while I've taken courses in proof, this video helped me teach it to my high school students. I show the video with instructions, visual, and allowing them to follow along I get them all to at least grasp the concept. Thank you so much for this video and others I will use.
You're a whole lot better than my teacher, I nearly failed a proofs quiz because I didn't understand basically anything on it
tysm, im preparing for my geo class in the fall and this helped me learn proofs early.
i jus wanna give this dude a really good hug and thank him
ur the teacher I need irl lmao
I just remembered i had an assignment and i need to do it now
Bless you my friend for the work you do!! ❤
THANK U SO MUCH, DIS RUclips CHANNEL DESERVES MORE SUBS.
You are so good teaching! I’m a latín person, and I understand your video 🥰
I'm arab
so im having troble on which postulate goes with the result of a specific proof, my teacher tells me that any COULD work, as long as you prove it properly, but i cant find the correct postulate
Thank you so much! I couldn't explain this to my 2nd grader who is awesome at math, while I suck at math. I'll be back for more soon, I'm sure. Thank you!
I was stressing I over a test but now I have much more reassurance thanks
POV your watching this in bathroom while every one is taking the test
I still don't understand proofs even after watching this video 💀 and I have a test in an hour
The word "proof" essentially means the same thing in math as it does in normal English.
Beautiful clarity and graphics. Thank you!
I was in honors’ geometry in high school and it was the hardest class I ever took. Proofs were definitely a challenge for me, but I worked hard and still got an A. I liked the puzzles!
good job for getting an A! im in the middle of geometry this semester and i hate proofs sm
First proof has a minor issue: the triangles should be named so the corresponding parts match up. You can prove that triangle GFK is congruent to triangle JFH by SAS.
+Karen McLaren Thanks!
Clutch
Now I understand! Thanks so much for this.
That was a good explanation. Here learning math all over again to be able to help my 10th grader with geometry.
im still failing geometry
Honestly me too
The visuals are solid. Thanks! I'm going to use this in the class I am subbing in
test later tomorrow, this has helped significantly. Thank you.
Thank you so much! I understant it now🙂
My teacher doesn’t even take notes. He hands us a worksheet and expects us to know something I’ve never seen before.
this was helpful , thank you
+Regan Bates Awesome! So glad the lesson was helpful. If you have a sec, please subscribe to our channel and share it with your friends and classmates. We could really use the support! -Anthony :)
as someone who has been struggling thank you soo much this video was so helpful!!!
you dont know how much this helped me
Who’s here the day before the test
Thanks! Helped a lot.
So glad to help! I hope that you can subscribe to our channel and share it with others! -Anthony :)
Thank you so much! This really helped me a lot for our math examination tomorrow😂😘
This was really well done. Good job!
when a yt video explains it better then your teacher
I’m not even in geometry yet I’m just watching bc my geometry friends keep warning me about these
They were right to
i was stressing out from my test that is tomorrow, but after this video i feel way more calm and confident.
Very helpful! Wish me luck for my exam tomorrow, but this really helped me thank you!
I literally stopped paying attention in my zoom class 😔
y’all if anyone can help i have a test tomorrow pray for me and i missed a week of school
Sophia King I felt this on a emotional level dude,, I missed the first two weeks of school so I missed a whole unit and a half of geometry so now I’m insanely behind and my teacher is barely helping me ;; plus I have to take two math tests tomorrow on stuff I’m not comfortable with yet aaaaaa;; but I hope you did well on your test 🥺
how’d U Do ?
Did ya pass?
OMG THANK YOU!!! THIS WAS SOO HELPFUL!!!
Thank you! That was very helpful! :)
I was wondering whats a good website to learn all of my def. of ..... Bisect for example
i dont know if this is what you're looking for but it may help? Sorry..
quizlet.com/6486216/geometry-postulates-theorems-properties-and-definitions-for-proofs-flash-cards/
sushigabby123 Thank you!
“We always have a diagram”
WHAT I DONT EVEN HAVE A DIAGRAM
Huh- proofs cant work without a diagram...ur teachers weird bruh
this was just amazing. thank you so much!!!
Thankkkkkkkk you soooo much proofs are so hard for me but you made it look soo easy and understandable
v helpful😀
Right?? also... Yuu got a nice profile pic
When I haven’t payed attention this whole chapter so I’m watching this at 6:30 am to learn it b4 the test Update I got a d and I though I did good so literally gonna go die
Thanks sir.This video was incredibly helpful.I did not understand how to write th proofs.Your video gave impetus to my thought process.Sincere thanks.
at this point i’m just accepting failure
i have to do this *in a different language*
imagine that
Very helpful, thank you!
Really good and clear explanations, thanks, really helped me.
THIS IS SO FRICKIN HELPFUL
I HAD SO MUCH TROUBLE WITH THIS LESSON
BUT THIS
T H I S H E L P E D M E S O M U C H
*me, sitting here trying to figure this out because school has been canceled and we have e-learning*
After watching this video, I feel like my brain size expanded. This helped so much in allowing me to understand how to structure the proofs and organize my reasons in to logical arguments.
this was so so so helpful!
I failed a final for not knowing this so i decided to get my life toghether