EXTENDING SOME RESULTS OF FLAT GEOMETRY WHEN SOLVING SPATIAL GEOMETRY
DOI:
https://doi.org/10.51453/2354-1431/2021/510Keywords:
Flat Geometry, Geometry of space, Equality, Prove, Similar.Abstract
In spatial geometry content, apart from math problems proving specific properties, problems proving geometric equality, geometric inequality, geometrical extremes ... are difficult problems for students in the learning process, in exams, especially in exams for excellent students and Math Olympiad. These types of math are closely related to the results of flat geometry that students have learned at secondary school. In this article, some typical mathematical forms of geometric equality in space using the results of flat geometry have been chosen to engrave and apply knowledge of flat geometry to help students see general results when expanding space.
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[1] Ministry of Education and Training, Grade 11 Geometry, Viet Nam Education Publishing House, 2019.
[2] Cuong, V.N. (Editor)., Hung, H.N., Hung, D.M., Thai, H.T. (2005). Ministry of Education and Training, Secondary school Teacher training Project, Elementary Geometry and Practicing Math problems, Hanoi Pedagogical University Publishing House, Vietnam.
[3] Du, N.V., Nghia, T.Q., Truong, N.A. (1997). Mathematical methods of spatital geometry for class 11, Da Nang Plublising House, Vietnam.
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[5] Thuy, V.D. (Editor)., Dam, N.N. (2006). Advanced Mathematics and Theme of Geometry Grade 8, Viet Nam Education Publishing House, Vietnam.
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