Pythagorean Theorem Explained Simply (in 5 Minutes)

Why is cutting across a field 20 meters shorter than walking around it? The Pythagorean theorem explained simply, step by step, in 5 minutes. You'll learn what a right triangle is, why a² + b² = c² works, how to calculate any missing side and where you use it in real life: TV screens, ladders and builders' corners. Plus a fun fact about who really found it first. Stay until the end for the cheat sheet and a quick quiz! Chapters 0:00 How much shorter is the shortcut? 0:39 Step 1: The right triangle 1:19 Step 2: The formula a² + b² = c² 1:58 Step 3: Calculating the shortcut 2:32 The other way around: the ladder 3:10 Step 4: Where do we use it? 3:49 Fun fact: Who really found it? 4:08 Summary 4:25 Cheat sheet 4:57 Quiz Source (fun fact): Plimpton 322, Babylonian clay tablet, about 1800 BC: https://en.wikipedia.org/wiki/Plimpto... 💬 What should I xplain next? Tell me in the comments, maybe the next video is about it! 🔔 Subscribe for more: the world, xplained simply. Instagram: @nova.xplains TikTok: @nova.xplains #PythagoreanTheorem #Math #Geometry