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    Source: EDU Cloud of MOE
    https://cloud.edu.tw

Triangles

To learn the basic triangle and its’ simple character such as triangle inequality, angle and Pythagorean theorem, and to know the meanings of congruent plan figures.

Video Title: Triangles
Instructor: Ssu-Yu Ting ( a teacher of Dong Xing Elementary School in Hsinchu County)

Keywords: Mathematics, Triangles, Angle, Plan figures
Producer: Teaching Plan in Education Cloud Editing & Promotion Team
Year: 2016