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Math puzzles geometry In this math learning video I (Susanne) explain how to calculate the area of a square. We use a right-angled triangle with the Pythagorean theorem and solve the quadratic equation with the pq formula to calculate the side length. Mathematics explained simply. 0:00 Introduction - Math puzzles geometry 0:48 Geometry basics 3:54 Pythagorean theorem 5:54 Solving quadratic equations 9:09 Applying the pq formula 11:02 Until the next video :) Become a channel member now and support my channel: ➤ https://www.youtube.com/mathematrick/... ???? ???? MY COMPLETE EQUIPMENT ➤ https://mathematrick.de/mein-equipment/ Feel free to support me with a few coins for a cup of tea! ???? ➤ https://www.paypal.me/MathemitSusanne ❤️ ABOUT ME ???? My Insta: @mathema_trick ???? My website: http://www.MathemaTrick.de ???? My email: [email protected] ???? My band: / moonsunband Address for business inquiries and fan mail: Susanne Scherer Gaustraße 8, F32 67655 Kaiserslautern Please send packages and parcels directly to the DHL Packstation: Susanne Scherer 1054501450 Packstation 179 67655 Kaiserslautern #Puzzle #Math #MathemaTrick