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How full is the glass? - Math puzzle In this math learning video, I (Susanne) explain how to calculate the volume of a cone. The champagne glass is half full, but is it also half full? We will use the ray theorem to determine the radius of the cone. Mathematics explained simply. 0:00 Introduction - How full is the glass? 0:47 Calculating the volume of a cone 3:40 Ray theorem 1 5:18 Volume of a cone 6:50 Converting fractions to percent 8:12 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