How To Write GEOMETRY PROOFS | Segments and Angles | Geometry Online Lesson

Learn how to write geometry proofs in 8 minutes! Follow easy step-by-step instructions on how to write two column proof with line segments and angles (parallel lines and triangle proofs are coming soon)! I'll also show you how to prove the vertical angle theorem. Also watch out for a pretty useful list of theorems and postulates you should know when you first start writing proofs.

Timestamps:
00:00 - Intro
00:18 - Line Segment Proof
03:53 - Supplementary Angle Proof
06:45 - Vertical Angle Theorem Proof

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About Me:

I am a part-time math tutor who is passionate about making math education easy and accessible. As an engineering student who now works in tech, math has always been a huge and positive part of my life and I want to share that excitement! Whether you're a teacher, parent, student, or fellow tutor, I hope you enjoy my videos and explore different ways to learn and teach math.

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Music and Other Media:
Pluck and Play by Kwon from Youtube Audio Library

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[yourmathtutorvids]

Thanks for watching and happy december!

[cheese]

I know I am late to this video, but for the last question, couldn't you just say given and then vertical angle theorem? or do you have to do all those steps?

[insolentjaguar]

Am I missing something here on the second example? Shouldn't the proof say "prove <1 and <3 are supplementary" (not "congruent")?

[claaaaire]

YES! I WAS SUBSCRIBED TO YOU ALREADY, AND I DIDNT REALIZE YOU HAD GEOMETRY PROOFS!! THANK YOU SO MUCH, I HAVE A TEST TOMORROW AND IM GOING TO MAKE USE OF THIS!!

[scottmccardell]

in the 2nd example you shared 2 angles that are not congruent, the numbers should be switched so that visually and mathematically, the example would be correct

[millymcbug]

Great tips, and awesome presentation. Very clear and concise :)

[omvazquezmartinez]

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