RecordNumber
14
Author
Eisso J. Atzema
Title of Article
Butterflies in Quadrilaterals: A Comment on a Note by Sidney Kung
Title Of Journal
Mathematics Magazine
Publication Year
2007
Volum
80
Issue Number
1
Page
70 - 72
Notes
براي دانلود و مشاهده مقاله به قسمت لينكهاي مرتبط مراجعه نماييد
Abstract
We offer a slight generalization of the usual Butterfly Theorem using techniques from projective geometry, specifically the notion of an involution. Then we show that the Butterfly Theorem suggested by Sidney Kung in last year's issue of this MAGAZINE
URL
http://www.ingentaconnect.com/content/maa/mm/2007/00000080/00000001/art00010,/DL/Data Entry/DataEntryForm/EnterDocInfo.aspx,/DL/Data Entry/NewEdit/Documents/Math_English_Electronic_Articles_EditDoc_925.aspx