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Introduction to Polar Coordinates 極坐標簡介
Author:
Alex CHIK
Topic:
Coordinates
GeoGebra
gMath 互動數學教室
http://www.geogebra.hk
New Resources
GeoGebra笔记功能体验课件
找出對稱軸
兩組對邊相等和有直角的四邊形
拼砌四邊形
兩組對邊相等的四邊形
Discover Resources
三角形的四心 - 昱崧同學
图形
Pokemon quiz (daliy)
Reflectional symmetry of Triangular prism
三角形的垂心（一）
Discover Topics
Ellipse
Equations
Similarity Transformation or Similarity
Pythagoras or Pythagorean Theorem
Functions