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GeoGebraClasse GeoGebra

Locus 1 (fixed distance from a fixed point)

Definition of Locus 軌跡的定義

A locus is a path formed by a collection of points which satisfy one or more given conditions. 軌跡是一條由點構成的路徑,這些點均滿足某單一條件或同時滿足多個條件。

1. A moving point P is 3 units from a fixed point Q. Mark all the positions that P can be.

2. what is the locus of the point P?(i.e. 所有P點組成的形狀)

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3. Describe the locus of P. e.g. length,width,height,radius,centre