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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
異分母分數減法
四邊形的特性
兩組對邊相等和有直角的四邊形
錐體建築師
畫出對稱圖形
Discover Resources
梯形旋轉
小阿樂
二元线性规划的图解法(习题3)
St. Line
表内除法
Discover Topics
Conditional Probability
Indefinite Integral
Histogram
Dilation
Centroid or Barycenter