Circle intersections
Drag E and observe that the product |ED|.|CE| is constant.
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|AC|
radius
|CD|
12.64766637
|CE|
29.42063774
|BC|
19.28995621
|CD|.|CE|
372.10241062
Change the circle radius and |AC|.
Conjecture a relationship with |ED|.|CE|
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Geometry Expressions