Pythagoras' Theorem Explanation

Pythagoras' Theorem Explanation: This video is an introduction lesson for Pythagoras' Theorem. Why is it useful to know Pythagoras' Theorem? What is a hypotenuse? Watch this video to find out.
Practice questions and answers are at the end of the video. This is an updated, 4K version of our previous video.
For visual proof of Pythagoras' theorem: • Video
For help with algebra: • Algebra Basics: Introd...
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00:00 Introduction
00:21 Who was Pythagoras?
00:33 What is a theorem?
01:02 What is a hypotenuse?
01:22 Pythagoras Theorem formula
02:11 Why do we use Pythagoras Theorem?
02:39 How to use Pythagoras Theorem
05:24 Practice questions
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