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Math puzzles geometry In this math learning video I (Susanne) explain how to calculate the radius of a quarter circle. We use the Pythagorean theorem and solve the system of equations. Mathematics explained simply. 0:00 Introduction - math puzzles 0:35 Drawing triangles 3:08 Pythagorean theorem 4:14 Solving the system of equations 9:00 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