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Mathematics 14 Online
OpenStudy (anonymous):

Which of the following is not a correct name for the plane in the figure? A. EBC B. EDB C. H D. CD

OpenStudy (anonymous):

OpenStudy (anonymous):

H

OpenStudy (anonymous):

H is just a point

jimthompson5910 (jim_thompson5910):

No, H is the name of the plane

jimthompson5910 (jim_thompson5910):

So H is a valid way to label this plane

OpenStudy (eyust707):

CD fails to label the plane

jimthompson5910 (jim_thompson5910):

It turns out that the answer is CD since CD is a line. You need at least 3 points to uniquely determine the plane.

OpenStudy (eyust707):

I could think of many many planes that pass through CD! =P

OpenStudy (anonymous):

Thanks (:

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