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Author:ckilkienghs

The perpendicular line from the chord to the centre of the circle bisects the chord.

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挂谷问题——三尖瓣形
希尔伯特曲线
Perpendicular Lines: Quick Exploration
Function art 3D - waiting shed
Congruent Figures

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Triangle Side-Angle Relationships
Step 4
ASA Triangle Congruence
Roy - Week 3: Task 4
Atividade_Soma

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Constructions
Numbers
Tangent Line or Tangent
Surface
Plane Figures or Shapes

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