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Circles In Geometry, Basic Introduction - Circumference, Area, Arc Length, Inscribed Angles & Chords
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- Опубликовано: 30 дек 2017
- This geometry video tutorial provides a basic introduction into circles. It explains how to calculate the area of a circle as well as the circumference of a circle. It also explains how to calculate the arc length of a sector as well as the area of a sector in a circle. it explains the difference between the radius, chord, and diameter of a circle. It mentions how to calculate the inscribed angle as well as the measure of the intercepted arc. It discusses how to calculate the area of the shaded region given a right triangle inscribed in a circle.
Circles - Area, Circumference, Radius: • Circles - Area, Circum...
Circles - Chords, Radius, & Diameter:
• Circles - Chords, Radi...
Lines, Rays, Line Segments, & Angles:
• Lines, Rays, Line Segm...
2 Column Proofs - Cong. Segments:
• Two Column Proofs of C...
Triangle Congruence - SSS, SAS, ASA:
• Triangle Congruence Th...
Central Angles and Circle Arcs:
• Central Angles, Circle...
___________________________________
Tangent Lines and Secant Lines:
• Tangent Lines & Secant...
Circles - Central and Inscribed Angles:
• Circles, Angle Measure...
Tangent Tangent Angle Theorems:
• Tangent Tangent Angle ...
Inscribed and Circumscribed Polygons:
• Inscribed Polygons and...
Power Theorems - Chords, Secants, & Tangents:
• Power Theorems - Chord...
Circle Theorems:
• Circle Theorems
_________________________________
Two Column Proofs With Circles:
• Two Column Proofs With...
Circles Review - Geometry:
• Circles - Geometry
Incenter, Circumcenter, and Orthocenter:
• Incenter, Circumcenter...
Distance Between Point and Line in 2D & 3D:
• Distance Between a Poi...
Area of a Triangle With Vertices:
• Area of a Triangle Wit...
________________________________
Coordinate Geometry:
• Coordinate Geometry, B...
Geometry Review - Study Guide:
• Geometry Introduction ...
Geometry Final Exam Review:
• Geometry Final Exam Re...
Final Exams and Video Playlists:
www.video-tutor.net/
Full-Length Videos and Worksheets:
/ collections
Final Exams and Video Playlists: www.video-tutor.net/
Hey guys, here's a cool study tip: watch these BEFORE the teacher's lesson. This is because, when you watch this before the lesson you get a nice idea of what's coming up and you will be less intimidated. You can also understand the teacher better since the teacher will probably be going at a faster pace whereas here, you can pause and process info. This is great for people who can't focus/understand stuff in class.
Truly agree, you can't just tell me pi is equal to 3.14, I need to know where that number comes from.
i do it bc we get a homework pass ifwe catch a mistake by the teacher
We got this lesson in our summer book while we didnt take it yet, they didnt teach it to us bcz the covid 19 while they needed to teach it for us, so im working on ur tip for watching it before school come back and review it for us
They don't tell us what they are going to teach us before they start to teach us
Heres another cool tip.
To know if you are dealing with any special right triangle:
Take the shortest leg (ex. =3)
Then square it. And divide by 2.
3²=9 --> 9/2 =4.5 (add and subtract 0.5 aka +-) 4.5 + 0.5 = 5 , 4.5 -0.5 = 4
Now you know youre dealling with a 3 4 5 triangle
Another example for sport.
7² = 49 --> 24.5 +- 0.5 --> 24 , 25
Triangle 7,24,25.
Who’s watching this the morning before a test??😭😭
Taking the SAT tmr
Meeeee!😢
Real bro🙏🙏
ITS 11 PM I HAVE A ASSESMENT AT 9
Me my finals
How I look at circles when I was a kid will never be the same anymore ⭕
The veil has been lifted.
On god
same
Ong😂
ong 😭
From Chemistry to Geometry this guy is a life saver
This Dude, not Only Uploads Science Videos, but he Uploads a Lot of Helpful Math Videos. What a Legend he is.
Hello! It might not reach you due to the overwhelming comments you receive throughout all your lecture videos, but I wanted to take the time and thank you for providing so many educational videos, you have no idea how much this is helping me, it will even help me get through college. This is not much, I know, but remember that you have helped so many, and without you, many wouldn't be where they wanted to be (in terms of careers and education) Don't ever stop making more videos!
Nice
I learned more in a 18 minute video than a 1 hour and 30 minute double lesson
@@KitKat-yu1nc what
MR. Organic Chemistry Tutor, thank you for another incredible video/lecture on Circles in Geometry and the Basic Introduction to Areas, Circumference, Arclength, Inscribed Angles and Chords. All these topics are illustrated by diagrams/shapes and old fashion Formulas. The Formulas can also be derived using basic and Advanced Mathematics.
This is how you teach mathematics and how it's suppose to be broken down thank you so much wow!!!!
thanks for this video, although it's fast paced i really appreciate it that you're not spoon feeding and that u made it really clear.
I saw that pythagorean triple from a mile away. great video. his explainations are very clear
This would be a good review video from my students to remember the difference between all of the parts, and theorems regarding circles. Well Done!
What’s school do you teach at?
Awesome video! I learned a whole bunch of stuff
this is so cool.. I have an exam in a month this explained the topic that Im lacking in so well!!!!!
Im a visual learner, like i legit cannot understand if the teacher is just explaining it rapidly and stuff, and here, it really helped me out, im doing my final exam tomorrow and this was the only concept i didnt understand until now, i got to see it done, while explaining and examples , and i dont hear like "get it now? ok so now you try" its more like "ok we will do this together"
Honestly the person or people who made math is on another level
You're better than my STEM Math teacher .You're such a cool guy. Thank you very much .
Thanks for another great lesson!!
literally the best! thank you sm!
Who else is looking at this 5 min b4 a test
Before a final
This is such a great help to me!
My teacher literally was not helping so i had to come here
you are the best
This is so explanatory
Thank you!!! ❤
Congrat on 2 million
Thankyou sir
Well done sir.
I used these videos back in geometry freshmen year of high school to now studying for the GRE my junior year of college. I think I would be a failure without these videos
Thanks bro is was very helpful ❤
Whats the app u use to draw ??
microsoft paint
OMG😱😱YOU SAVED MY LIFE
You are the best sir
You are great 👍
well understood
I learned this more than my long math lesson in school
I dont know why but im simping for his voice😩🖐️
shut up plz
…this is a math help video 💀
very good teacher
I appreciate you so much
Thank you for everything !
Perfect work
sir thank u soooooooo much
Thank you a lot !!!!!!!!! Thank you it helps me a lot!!!!!!!
thank you
Thanks sir
Thanks a lot
thanks bro
It’s important that you divide θ by 360° when calculating properties of a sector, not by 360 radians. Always include the degree sign to avoid confusion.
Thank you I really did not understand what our teacher just handed us
My geometry teacher could never 🤣👌🏿
Good morning sir, please I have a correction to make at 17:21 625pie is 2057.7 and when you minus 336 from 2057.7 the answer is 1721.1
Thanks
are you resident obama daugther
Umm... how?! I just checked and 625pi does equal to about 1963.5, the thing is you probably typed 655pi which will be equal to 2057.7.
3:26 wait wait, where did the m from mac come from???
the "m" in mAC means measure of the arc AC. This m is often used when writing the "measure of" angles, arcs, etc. For example, mAB is read as the "measure of arc AB". Or if you were talking about the measure of an angle, you would see something like this: mABD, read as the "measure of angle ABD".
Hope that helps :)
@@jaydonkurian2593 well explained
sir can u explain minor segment and major segment, please
in 8:02 why did you write cm^2 and not cm only? we did that for the circumference, so why not the area? is it because the formula has a ^2?
I had the same problem as you but remembered that rarely anyone presents an area in a straight line but in a square. That's why, cm²
Watching these to study 💀💀💀
Me too breh💀
In 8:06 why does the radius aka 4 have to be in brackets can't you just have it as 4² and if not then why?
You are supposed to use brackets as an indication of multiplying, or bodmas
Why is Ark AB the same?
our teacher said...
diameter is a chord that passes through the center of a circle
it really tought me more
The area of the circle given in the example, isn't that the area of a sector? It's quite confusing.
what is fata?
When calculating the area of the hatched region at 14 minutes into the video, aren’t you forgetting to subtract out the area between the arc BC and the base of the triangle?
on question 3 why bother with all that sector solving because we can immediately use the central angle theorem?
btw this is a genuine question,,
i dont know what i dont know ,,
if im ignorant then enlighten me pls
3:29
Good point at 6:00 minutes
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Niker
at 7:17 you put that the circumference is pi times the dimeter. but the circumference formula is 2times pi times r
And what is D? 2r. The are both correct.
Why did you add the Pythagorean theorem in the last part
to find the missing side
W teacher ngl
on 8:56, why'd u write 2piR not 2piR^2?
I'm late but review the difference between the formula for the area and the circumference of a circle. The circumference is 2piR and the area is piR^2
day of state testing for math because my geometry teacher didn’t get around to circles before the state test, hoping i can figure it out 😭
How’d it go
so easy now
Salamat at dahil sayo mas nalaman ko na mahirap pla talaga ang math kund wla ka alam sa solving
oms
im starting to think this guy iz a god
0:25, 1:24
I am learning from Uganda and i thin i should skip school to get enough of my *The Organic Chemistry Tutor*
Why are you gei
nailuj namrof bruh what
@@dyspatriotic lmao
@@DarkOfDark_ Is that a meme referance?
@@charleswheeler440 yes
I'm a 5th grader
Why are we learning this at 5th grade we should learn this on 6th grade man
But this helped me understood the lesson
im learing this in the summer of 9th going to tenth lol
❤❤❤❤ wow what a knoeledge
Tryna cram this in the bathroom before my test...
Why am in 7th grade and need to learn more than this class teaches
Uhh your probably don’t. Depends on your country and hs/college plans.
Because you are either so smart, or probably cheated on your final exam last year and scored so high to sit in a course you'd take normally in 10th grade
why in 4:52 theres a small and capital “d”?
Those two are used differently. In mathematics you can’t say find the mAB if the given problem provided lowercase ab.
10:57
Why are you watching this the night before your exam 🤦🏾
...because I wasn't paying attention at all in class 😭
Im sorry😭😭
W 👍👍
👍
Hi people this good videso would recomedd
Nice explaination now my depression has decreaced
You’re my dad
😂😂😂
Hi dad
BOOGIE WOOGIE WOOGIE
@@charleswheeler440 I WAS GONNA SAY-
Wha
اختباري بكره أدعوا لي أخ
youtube is getting wayyyy too comfortable with 2 adds that you can't skip EVERY 5 seconds 😑😒
Im still lost
Keep practicing.
At 9:30 you could've just said
"Multiply the percentage the angle occupies in a 360 degree circle, with a circumference of 43.96."
150 Degrees is 41.6% of a 360 Degree Circle that has a Circumference of 43.96.
Multiply .416 by the circumference 43.96
BOOM
You get an Arc of 18.28736
Round.
so cooked for my regents
I got 50.24cm
di
thank you my baby
Sorry I can't understand what you are saying. What is an "arcliff?"
savage
if you try using some prior knowledge, it’s arc length, use ur head 😑
Syzyhfvde❤😂😮
I actually dont need this. I just watch math to get myself to fall asleep at night when I cant
I’m just confused on why this is in my recommended