Olympiad Training | Find The Length of X in the Triangle | Geometry | Math | 3 Methods

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In this video we will calculate the length of X in the triangle using 3 different ways. Watch and improve your geometry skill. #maths, #math , #geometry #triangles #square
  1. GeoMathry
  2. math
  3. mathematics
  4. geometry
  5. triangle
  6. square questions
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Комментарии
Автор

Simply great, many thanks! Love the third method.

murdock
Автор

Well i applied the law of sines twice and got the answer for x=8.

ernestschoenmakers
Автор

With sines law X = 8 as your 3th method

solimana-soli
Автор

Καλημέρα σας. Νομίζω πως θα έπρεπε να εξηγηθεί γιατί ο κύκλος θα περάσει από το Α. Από που προκύπτει ότι ΟΑ=OD=OC=x; Αν κατάλαβα καλά δεν το κάνατε. (1η μέθοδος) Ας δώσω τη δική μου εξήγηση. Αν σχεδιάσω γωνία DKC=80 - K σημείο του ημιεπιπέδου που ορίζει η BC και δεν βρίσκεται το Α. Επειδή <Α+<Κ=100+80=180, το τετράπλευρο ADKC είναι εγγράψιμο σε κύκλο. Άρα τα Α, D, C σημεία του ίδιου κύκλου οπότε, ΟΑ=ΟD=OC=x. Η δική μου λύση ήταν με την 3η μέθοδο. Ευχαριστώ.

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