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Mathematics 10 Online
OpenStudy (precal):

Geometry - Is it wrong to state Plane ABCD?

OpenStudy (anonymous):

Can be wrong (if the 4 points are not coplanar) or simply redundant (just need 3 points to define a plane)

OpenStudy (precal):

Yes, it I believe it can only be stated by 3 points (since 3 points are always coplanar).

OpenStudy (precal):

|dw:1379116184603:dw|

OpenStudy (precal):

Plane A or Plane ABD

OpenStudy (anonymous):

or plane ACD or plane BCD

OpenStudy (anonymous):

or ABC

OpenStudy (precal):

yes any variation of the 4 points but just using 3 points.

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