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GeoGebra Lesson
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GeoGebra Lesson
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Inversions are conformal: lines
Author:
Tim Hsu
Shows that circle inversion preserves angles, starting with intersection of two lines.
GeoGebra
New Resources
繪畫垂直線
Slope Illustrator (2)
Midpoint Theorem (V2): Integer Solutions
Function art 3D - waiting shed
Segment Addition Postulate (Mild Questions)
Discover Resources
Finding a line which is parallel to two planes
x^2vs
Henry
symmetry number for two overlapped ellipses
Untitled
Discover Topics
Standard Deviation
Symmetry
Polygons
Orthocenter
Rectangle