Investigate chord and perpendicular bisector

Author:Angela Ellis, GeoGebra Materials Team

Below you see Circle A with Chord CD. The red line is the perpendicular bisector of Chord CD. Move the blue points to help you answer the question below.

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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
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