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5 squares
Author:
johnmayhk
GeoGebra
Purple points are mid-points of corresponding line segments. Drag blue points to change the size and orientation of squares. Are two red line segments perpendicular to each other always?
New Resources
四邉形 (四年級) 教師版
Nested spiral octagon
第八周作业
小数 的副本
判斷球體
Discover Resources
三角形的內角和=180度
Geogebrafinal Mak Tik Hong 11043289
同頂角_2
算柱
Template: 圓周
Discover Topics
Interest Calculation
Ratios
Scatter Plot
Derivative
Circle