AreConcyclic Command

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AreConcyclic( <Point>, <Point>, <Point>, <Point> )
Decides if the points are concyclic.

Normally this command computes the result numerically. This behavior can be changed by using the Prove command.

Example: AreConcyclic((1, 2), (3, 4), (1, 4), (3, 2)) yields true since the points are lying on the same circle.
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