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Do Triangles Have Four Sides? #shorts
100% 10.8M 59 seconds 10 months ago by Vsauce

🔺 #shirt #shorts 🔺 join our brain food club to get it! In this short, we say hello to the "Sherman line" -- a feature of all triangles that made B.F. Sherman say, "what else was there to call [it] but the fourth side of the triangle?” Check out this interactive version @amazinglybland on twitter made! Sherman's original paper:

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