Pythagorean Theorem Proof Using Similarity
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Uploaded on Oct 4, 2011
Learn more: http://www.khanacademy.org/video?v=Lr...
Proof of the Pythagorean Theorem using similarity
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Top Comments
Ricardo Russo 1 year ago
I want a t-shirt or hoody. . . or something, to show that I go to Khan Academy!
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TheShubLub 1 year ago
At 8:50  mind=blown.... How come I didn't learn this in school? I mean we used pythagorean theorem, but we had no idea what it really was.
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All Comments (23)
mrdazackypoo 2 days ago
why do you add the two equations?
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InvisibleOnions 4 months ago
I just covered this in my Triginometry class in college today. Now I can fully understand how to do it. THANKS!!
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Androconus 6 months ago
Brilliant! I can't pause or re-wind my teacher, but I can to you! Thank you! liked, Favorited and subscribed until further notice.
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Amy Harris. 6 months ago
BE MY TEACHER!
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Sloth7d 6 months ago
And it seems in many schools, teachers suffice themselves with teaching you how to solve a problem without telling you why that works. And I personally believe retention is better attaned when one nows why something works just as much as when they learn how to do the something.
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Sloth7d 6 months ago
I was just about to post this.
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Harrison Krause 7 months ago
I LIKE TURTLES EVERYONE!

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Harrison Krause 7 months ago
KITTEN!!!!!!!!!!!!!!!!!!!!!

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Harrison Krause 7 months ago
FIFTEENTH COMMENT! I like turtles

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Harrison Krause 7 months ago
FOURTEENTH COMMENT! Do you like italian food?
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