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Final exam for secondary school maths in Bavaria In this math learning video I (Susanne) explain how to calculate angles and sides in a general triangle. We apply the ray theorem and sine theorem and use the cosine to calculate the missing side in a right-angled triangle. Calculate the length of the line segment BE. Calculate the distance d between the lines AB and DE. Mathematics explained simply. 0:00 Introduction – final exam for secondary school maths 1:38 Task a) ray theorem 3:39 Task b) sine theorem distance 7:41 Sum of angles in a triangle 9:22 Cosine in a right-angled triangle 10:27 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 #FinalExam #SecondarySchool #MathemaTrick