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One more proof of the butterfly theorem
One more proof of the butterfly theorem

Author(s): Nguyen Ngoc Giang, Nguyen Duy Phuoc
Subject(s): Social Sciences, Education, School education
Published by: Математика плюс Х ЕООД
Keywords: quadrilateral; butterfly theorem; concyclic

Summary/Abstract: A proof of the butterfly theorem is proposed, which is interesting and seems to be a new one. The angle-chasing method is used frequently in the paper Helping to prove the theorem correctly.

  • Issue Year: 30/2022
  • Issue No: 3
  • Page Range: 58-61
  • Page Count: 4
  • Language: English