교과지식으로서의 유클리드 기하와 벡터기하의 연결성 = Mathematical Connections Between Classical Euclidean Geometry and Vector Geometry from the Viewpoint of Teacher's Subject-Matter Knowledge

다국어 초록 (Multilingual Abstract)

School geometry takes various approaches such as deductive, analytic, and vector methods. Especially, the mathematical connections between these methods are closely related to the mathematical connections between geometry and algebra. This article analysed the geometric consequences of vector algebra from the viewpoint of teacher's subject-matter knowledge and investigated the connections between the geometric proof and the algebraic proof with vector and inner product.

국문 초록 (Abstract)

학교기하에서는 논증기하, 해석기하, 벡터기하 등의 다양한 접근을 다루고 있는데, 특히 이러한 유클리드 기하에 대한 다양한 접근 사이의 연결성은 기하학적 방법과 대수적 방법의 연결성으로 볼 수 있다. 본 연구는 교과지식의 측면에서, 논증기하증명에서 벡터와 내적의 대수적 성질의 의미를 분석함으로서 학교 수학에서 기하학적 증명과 벡터와 내적을 이용한 대수적 증명의 연결성에 대하여 고찰하였다.

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