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GeoGebra
PMC 2013-14 Q9
Author:
Arthur Lee
題目十
紅色圓的周界是藍色圓周界的多少倍？
New Resources
Discover Perpendicular Slopes
Untitled
Differentials
Joining the midpoints of the sides of a quadrilateral
Rotational Symmetry
Discover Resources
The Cairo Pentagon
Random questions: roots
introduction
Surface Area Regular Pentagon
Topic 11 MS
Discover Topics
Similarity Transformation or Similarity
Square
Similar Triangles
Exponential Functions
Orthocenter