Points, Lines, Planes, Segments, & Rays - Collinear vs Coplanar Points - Geometry

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This geometry video tutorial provides a basic introduction into points, lines, segments, rays, and planes. It explains how to identify three collinear points and how to distinguish it from noncollinear points. It explains the difference between coplanar points and noncoplanar points. Three points are collinear if they lie on the same line. This video describes the four ways to determine a plane: 1. Three noncollinear points determine a plane. 2. Two parallel lines determine a plane. 3. Two intersecting lines determine a plane. 4. A point and a line can also determine it. This video also explains how to identify coplanar lines and noncoplanar lines and segments. It contains plenty of examples and practice problems.

Polygons:

Quadrilaterals:

Skew Lines:

Triangles - Basic Introduction:

Number of a Diagonals In a Polygon:

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Ratios and Proportions - Means Extreme:

Similar Triangles:

Similar Triangles - Enlargement Ratios:

Triangle Similarity - SSS, SAS, & AAA:

Triangle Proportionality Theorem:

Altitude on Hypotenuse Theorem:

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Pythagorean Theorem:

The Distance Formula:

Distance Between 2 Points - 3D:

Final Exams and Video Playlists:

Full-Length Videos and Worksheets:
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I will forever say. This guy is a life saver. Every time my teacher does smt stupid or confused me I pull this guy up and he teaches me a 2 hour lecture in 15 minute. Thank you organic chemistry tutor or whatever ur name is. I love these videos

tiredteen
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This video was seriously so helpful. I learned more in 15 minutes of this video than 3 hours of class. Thank you so much!

joshowoshobosho
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Bro, you helped me get above 80% in my math homework Thanks!!!

rocketr
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lol watching this at 4 am because i realized that my test was today

blurooster
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Woah... Thank you so much... I'm a year younger than the normal grade to take Geometry, but I'm struggling bad... Like I was a head of everyone in Algebra 1.. but Geometry has been kicking my ass this year.. And this helped me so much... Thank youuuu

hentaigod
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Wow better explainer then my teacher😐👏👍

the_lost_one
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Thank you for speaking at a great pace, using colors, reviewing simple terms in the beginning, and for showing the simple plane then 2 intersecting planes. Great video!!!

pearlwatson
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Thank you so much! Some student interns were assigned to teach us this lesson and all of us barely understood a thing. And after that our original teacher even assigned us activities to answer.

Really thankful for this! I wouldn’t be able to understand even the simplest line and plane without this.

Whata live-saver!

juliennesaldon
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MR. Organic Chemistry Tutor, thank you for another excellent video/lecture on Points, Lines, Planes, Segments and Rays in Plane/Solid Geometry. These concepts are used in Construction, Land Surveying and Engineering Drawings.

georgesadler
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Since COVID happened I decided to finish school and in high school I sucked at geometry and having to pick this up again my adult life was scary but thank God I found your channel!! I wish YT was a thing years ago lol thank you 🙏🏽 for your teaching!!💙💙

GLAMTHATFACEWithLALAxoxo
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Thank you so much <3 learning some stuff for the first time and never had any difficulty understanding you!

zahraaa
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Thank you. It's the first week of school and I'm handded homework with what I thought was gibberish on it. Apparently we were supposed to have know this, but I didn't...😂 thx again.

Goofy_B_Gecko
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this is so much better than my math’s teacher explanation !

kiwiboy
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5:10 Two lines that intersect each other are ALWAYS coplanar, since you can always create a plane that contains these lines.

albertwilsonquindao
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dude. you’re amazing. i have a quiz tomorrow and didn’t understand the info and you are helping me understand. i have no doubts that i’ll pass the quiz thanks to you :)

mckaylacarpenter
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Nothing short of wonderful thank you for all the help just be giving a more simple explanation to something teacher sometimes make too complex

Bobjpeg-fotr
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Thank you so for this video!!! This is really useful!

mifix
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am so glad thanks a lot for your explanation

RDMVIEWS
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this made me learn more than in class thank u

keemozako
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this geometry review is really helpful

tyshawncarter