Overlapping Circles Grid Drawn with Compass and Straightedge on an Egyptian Artifact of 14th Century BC
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چکیده
منابع مشابه
Compass and Straightedge in the Poincaré Disk
The spirit of this article belongs to another age. Today, “geometry” is most often analytic; this is especially suited to the making of nice pictures by computer. But here we give a synthetic approach to the development of hyperbolic geometry; our constructions use only a Euclidean compass and Euclidean straightedge, and can be carried out by hand. Indeed, M.C. Escher used something like the me...
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1. INTRODUCTION. It is impossible to trisect an arbitrary angle. So mathematicians have claimed, with confidence, for more than 160 years. The statement is provocative. To a mathematician, the statement embodies the beauty of algebra and its applications to geometry, hints at Galois theory, and is a rare example of a statement of the nonexistence of a solution. To recreational mathematicians, i...
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Battling 21st-Century Scourges with a 14th-Century Toolbox1
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abstract lexical knowledge of complex english words is an important part of language skills and crucial for fluent language use (nation, 2001). the present study, thus, was an attempt to assess the role of morphological decomposition awareness as a vocabulary learning strategy on learners’ productive and receptive recall and recognition of complex english words. so 90 sophomores (female and ma...
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ژورنال
عنوان ژورنال: SSRN Electronic Journal
سال: 2016
ISSN: 1556-5068
DOI: 10.2139/ssrn.2750125