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HKDSE 2023 Q19 Four Centres of a Triangle
Author:
tkyggb
Topic:
Circle
,
Circumcircle or Circumscribed Circle
,
Coordinates
,
Geometry
,
Incircle or Inscribed Circle
,
Median Line
,
Orthocenter
GeoGebra
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Property 01
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SH Area Parallelogram
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